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Finding the Fourth Proportional to 15,051, 20,744.46 and 14,148.12

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Solution

The fourth proportional to 15,051, 20,744.46 and 14,148.12 is: 19,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051 : 20,744.46 = 14,148.12 : x
  2. Step 2: Convert to fraction form
    15,051/20,744.46 = 14,148.12/x
  3. Step 3: Cross multiply
    15,051x = 20,744.46 × 14,148.12
  4. Step 4: Simplify right side
    15,051x = 293,495,109.42
  5. Step 5: Solve for x
    x = 293,495,109.42/15,051
  6. Step 6: Final answer
    x = 19,500.04

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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.