Home / 16,551.82-22,842.02-9,381.55

Finding the Fourth Proportional to 16,551.82, 22,842.02 and 9,381.55

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Solution

The fourth proportional to 16,551.82, 22,842.02 and 9,381.55 is: 12,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.82 : 22,842.02 = 9,381.55 : x
  2. Step 2: Convert to fraction form
    16,551.82/22,842.02 = 9,381.55/x
  3. Step 3: Cross multiply
    16,551.82x = 22,842.02 × 9,381.55
  4. Step 4: Simplify right side
    16,551.82x = 214,293,552.73
  5. Step 5: Solve for x
    x = 214,293,552.73/16,551.82
  6. Step 6: Final answer
    x = 12,946.83

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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.