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Finding the Fourth Proportional to 13,314.17, 19,952.07 and 9,158.87

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Solution

The fourth proportional to 13,314.17, 19,952.07 and 9,158.87 is: 13,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.17 : 19,952.07 = 9,158.87 : x
  2. Step 2: Convert to fraction form
    13,314.17/19,952.07 = 9,158.87/x
  3. Step 3: Cross multiply
    13,314.17x = 19,952.07 × 9,158.87
  4. Step 4: Simplify right side
    13,314.17x = 182,738,315.60
  5. Step 5: Solve for x
    x = 182,738,315.60/13,314.17
  6. Step 6: Final answer
    x = 13,725.11

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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.