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Finding the Fourth Proportional to 14,498.01, 20,047.53 and 11,508.66

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Solution

The fourth proportional to 14,498.01, 20,047.53 and 11,508.66 is: 15,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.01 : 20,047.53 = 11,508.66 : x
  2. Step 2: Convert to fraction form
    14,498.01/20,047.53 = 11,508.66/x
  3. Step 3: Cross multiply
    14,498.01x = 20,047.53 × 11,508.66
  4. Step 4: Simplify right side
    14,498.01x = 230,720,206.61
  5. Step 5: Solve for x
    x = 230,720,206.61/14,498.01
  6. Step 6: Final answer
    x = 15,913.92

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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.