Home / 16,472.08-22,731.20-8,918.35

Finding the Fourth Proportional to 16,472.08, 22,731.20 and 8,918.35

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Solution

The fourth proportional to 16,472.08, 22,731.20 and 8,918.35 is: 12,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.08 : 22,731.20 = 8,918.35 : x
  2. Step 2: Convert to fraction form
    16,472.08/22,731.20 = 8,918.35/x
  3. Step 3: Cross multiply
    16,472.08x = 22,731.20 × 8,918.35
  4. Step 4: Simplify right side
    16,472.08x = 202,724,876.64
  5. Step 5: Solve for x
    x = 202,724,876.64/16,472.08
  6. Step 6: Final answer
    x = 12,307.18

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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.