Home / 16,472.13-22,731.59-8,918.56

Finding the Fourth Proportional to 16,472.13, 22,731.59 and 8,918.56

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Solution

The fourth proportional to 16,472.13, 22,731.59 and 8,918.56 is: 12,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.13 : 22,731.59 = 8,918.56 : x
  2. Step 2: Convert to fraction form
    16,472.13/22,731.59 = 8,918.56/x
  3. Step 3: Cross multiply
    16,472.13x = 22,731.59 × 8,918.56
  4. Step 4: Simplify right side
    16,472.13x = 202,732,921.99
  5. Step 5: Solve for x
    x = 202,732,921.99/16,472.13
  6. Step 6: Final answer
    x = 12,307.63

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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.