Home / 21,463.68-29,614.32-16,432.32

Finding the Fourth Proportional to 21,463.68, 29,614.32 and 16,432.32

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Solution

The fourth proportional to 21,463.68, 29,614.32 and 16,432.32 is: 22,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.68 : 29,614.32 = 16,432.32 : x
  2. Step 2: Convert to fraction form
    21,463.68/29,614.32 = 16,432.32/x
  3. Step 3: Cross multiply
    21,463.68x = 29,614.32 × 16,432.32
  4. Step 4: Simplify right side
    21,463.68x = 486,631,982.82
  5. Step 5: Solve for x
    x = 486,631,982.82/21,463.68
  6. Step 6: Final answer
    x = 22,672.35

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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.