Home / 20,772.68-31,158.81-16,593.08

Finding the Fourth Proportional to 20,772.68, 31,158.81 and 16,593.08

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Solution

The fourth proportional to 20,772.68, 31,158.81 and 16,593.08 is: 24,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772.68 : 31,158.81 = 16,593.08 : x
  2. Step 2: Convert to fraction form
    20,772.68/31,158.81 = 16,593.08/x
  3. Step 3: Cross multiply
    20,772.68x = 31,158.81 × 16,593.08
  4. Step 4: Simplify right side
    20,772.68x = 517,020,471.24
  5. Step 5: Solve for x
    x = 517,020,471.24/20,772.68
  6. Step 6: Final answer
    x = 24,889.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.