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Finding the Fourth Proportional to 18,073.88, 24,957.34 and 11,370.72

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Solution

The fourth proportional to 18,073.88, 24,957.34 and 11,370.72 is: 15,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.88 : 24,957.34 = 11,370.72 : x
  2. Step 2: Convert to fraction form
    18,073.88/24,957.34 = 11,370.72/x
  3. Step 3: Cross multiply
    18,073.88x = 24,957.34 × 11,370.72
  4. Step 4: Simplify right side
    18,073.88x = 283,782,925.08
  5. Step 5: Solve for x
    x = 283,782,925.08/18,073.88
  6. Step 6: Final answer
    x = 15,701.27

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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.