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Finding the Fourth Proportional to 14,265.71, 19,689.85 and 8,967.70

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Solution

The fourth proportional to 14,265.71, 19,689.85 and 8,967.70 is: 12,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.71 : 19,689.85 = 8,967.70 : x
  2. Step 2: Convert to fraction form
    14,265.71/19,689.85 = 8,967.70/x
  3. Step 3: Cross multiply
    14,265.71x = 19,689.85 × 8,967.70
  4. Step 4: Simplify right side
    14,265.71x = 176,572,667.85
  5. Step 5: Solve for x
    x = 176,572,667.85/14,265.71
  6. Step 6: Final answer
    x = 12,377.42

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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.