Home / 18,863.35-25,998.47-13,816.85

Finding the Fourth Proportional to 18,863.35, 25,998.47 and 13,816.85

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Solution

The fourth proportional to 18,863.35, 25,998.47 and 13,816.85 is: 19,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.35 : 25,998.47 = 13,816.85 : x
  2. Step 2: Convert to fraction form
    18,863.35/25,998.47 = 13,816.85/x
  3. Step 3: Cross multiply
    18,863.35x = 25,998.47 × 13,816.85
  4. Step 4: Simplify right side
    18,863.35x = 359,216,812.96
  5. Step 5: Solve for x
    x = 359,216,812.96/18,863.35
  6. Step 6: Final answer
    x = 19,043.11

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Half scale
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Double scale
Find fourth proportional to 18,864.35, 25,999.85 and 13,817.85
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.