Home / 16,472.32-22,731.70-9,398.32

Finding the Fourth Proportional to 16,472.32, 22,731.70 and 9,398.32

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Solution

The fourth proportional to 16,472.32, 22,731.70 and 9,398.32 is: 12,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.32 : 22,731.70 = 9,398.32 : x
  2. Step 2: Convert to fraction form
    16,472.32/22,731.70 = 9,398.32/x
  3. Step 3: Cross multiply
    16,472.32x = 22,731.70 × 9,398.32
  4. Step 4: Simplify right side
    16,472.32x = 213,639,790.74
  5. Step 5: Solve for x
    x = 213,639,790.74/16,472.32
  6. Step 6: Final answer
    x = 12,969.62

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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.