Home / 22,816.32-31,443.84-16,432.08

Finding the Fourth Proportional to 22,816.32, 31,443.84 and 16,432.08

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Solution

The fourth proportional to 22,816.32, 31,443.84 and 16,432.08 is: 22,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.32 : 31,443.84 = 16,432.08 : x
  2. Step 2: Convert to fraction form
    22,816.32/31,443.84 = 16,432.08/x
  3. Step 3: Cross multiply
    22,816.32x = 31,443.84 × 16,432.08
  4. Step 4: Simplify right side
    22,816.32x = 516,687,694.39
  5. Step 5: Solve for x
    x = 516,687,694.39/22,816.32
  6. Step 6: Final answer
    x = 22,645.53

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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.