Home / 18,117.37-24,990.47-13,088.98

Finding the Fourth Proportional to 18,117.37, 24,990.47 and 13,088.98

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Solution

The fourth proportional to 18,117.37, 24,990.47 and 13,088.98 is: 18,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.37 : 24,990.47 = 13,088.98 : x
  2. Step 2: Convert to fraction form
    18,117.37/24,990.47 = 13,088.98/x
  3. Step 3: Cross multiply
    18,117.37x = 24,990.47 × 13,088.98
  4. Step 4: Simplify right side
    18,117.37x = 327,099,696.58
  5. Step 5: Solve for x
    x = 327,099,696.58/18,117.37
  6. Step 6: Final answer
    x = 18,054.48

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Half scale
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Double scale
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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.