Home / 18,151.32-24,996.96-16,343.40

Finding the Fourth Proportional to 18,151.32, 24,996.96 and 16,343.40

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Solution

The fourth proportional to 18,151.32, 24,996.96 and 16,343.40 is: 22,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.32 : 24,996.96 = 16,343.40 : x
  2. Step 2: Convert to fraction form
    18,151.32/24,996.96 = 16,343.40/x
  3. Step 3: Cross multiply
    18,151.32x = 24,996.96 × 16,343.40
  4. Step 4: Simplify right side
    18,151.32x = 408,535,316.06
  5. Step 5: Solve for x
    x = 408,535,316.06/18,151.32
  6. Step 6: Final answer
    x = 22,507.20

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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.