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Finding the Fourth Proportional to 14,838.77, 22,280.43 and 14,125.43

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Solution

The fourth proportional to 14,838.77, 22,280.43 and 14,125.43 is: 21,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.77 : 22,280.43 = 14,125.43 : x
  2. Step 2: Convert to fraction form
    14,838.77/22,280.43 = 14,125.43/x
  3. Step 3: Cross multiply
    14,838.77x = 22,280.43 × 14,125.43
  4. Step 4: Simplify right side
    14,838.77x = 314,720,654.33
  5. Step 5: Solve for x
    x = 314,720,654.33/14,838.77
  6. Step 6: Final answer
    x = 21,209.35

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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.