Home / 16,472.04-22,731.22-8,918.20

Finding the Fourth Proportional to 16,472.04, 22,731.22 and 8,918.20

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Solution

The fourth proportional to 16,472.04, 22,731.22 and 8,918.20 is: 12,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.04 : 22,731.22 = 8,918.20 : x
  2. Step 2: Convert to fraction form
    16,472.04/22,731.22 = 8,918.20/x
  3. Step 3: Cross multiply
    16,472.04x = 22,731.22 × 8,918.20
  4. Step 4: Simplify right side
    16,472.04x = 202,721,566.20
  5. Step 5: Solve for x
    x = 202,721,566.20/16,472.04
  6. Step 6: Final answer
    x = 12,307.01

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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.