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Finding the Fourth Proportional to 14,711.52, 20,282.94 and 12,019.93

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Solution

The fourth proportional to 14,711.52, 20,282.94 and 12,019.93 is: 16,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.52 : 20,282.94 = 12,019.93 : x
  2. Step 2: Convert to fraction form
    14,711.52/20,282.94 = 12,019.93/x
  3. Step 3: Cross multiply
    14,711.52x = 20,282.94 × 12,019.93
  4. Step 4: Simplify right side
    14,711.52x = 243,799,468.29
  5. Step 5: Solve for x
    x = 243,799,468.29/14,711.52
  6. Step 6: Final answer
    x = 16,572.01

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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.