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Finding the Fourth Proportional to 15,213.93, 22,809.15 and 9,655.71

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Solution

The fourth proportional to 15,213.93, 22,809.15 and 9,655.71 is: 14,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.93 : 22,809.15 = 9,655.71 : x
  2. Step 2: Convert to fraction form
    15,213.93/22,809.15 = 9,655.71/x
  3. Step 3: Cross multiply
    15,213.93x = 22,809.15 × 9,655.71
  4. Step 4: Simplify right side
    15,213.93x = 220,238,537.75
  5. Step 5: Solve for x
    x = 220,238,537.75/15,213.93
  6. Step 6: Final answer
    x = 14,476.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.