Home / 18,382.01-25,367.19-9,998.51

Finding the Fourth Proportional to 18,382.01, 25,367.19 and 9,998.51

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Solution

The fourth proportional to 18,382.01, 25,367.19 and 9,998.51 is: 13,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.01 : 25,367.19 = 9,998.51 : x
  2. Step 2: Convert to fraction form
    18,382.01/25,367.19 = 9,998.51/x
  3. Step 3: Cross multiply
    18,382.01x = 25,367.19 × 9,998.51
  4. Step 4: Simplify right side
    18,382.01x = 253,634,102.89
  5. Step 5: Solve for x
    x = 253,634,102.89/18,382.01
  6. Step 6: Final answer
    x = 13,797.95

Related Problems

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Half scale
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Double scale
Find fourth proportional to 18,383.01, 25,368.57 and 9,999.51
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.