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Finding the Fourth Proportional to 14,595.39, 20,123.19 and 9,551.61

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Solution

The fourth proportional to 14,595.39, 20,123.19 and 9,551.61 is: 13,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.39 : 20,123.19 = 9,551.61 : x
  2. Step 2: Convert to fraction form
    14,595.39/20,123.19 = 9,551.61/x
  3. Step 3: Cross multiply
    14,595.39x = 20,123.19 × 9,551.61
  4. Step 4: Simplify right side
    14,595.39x = 192,208,862.84
  5. Step 5: Solve for x
    x = 192,208,862.84/14,595.39
  6. Step 6: Final answer
    x = 13,169.15

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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.