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Finding the Fourth Proportional to 14,456.52, 19,926.13 and 9,674.76

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Solution

The fourth proportional to 14,456.52, 19,926.13 and 9,674.76 is: 13,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.52 : 19,926.13 = 9,674.76 : x
  2. Step 2: Convert to fraction form
    14,456.52/19,926.13 = 9,674.76/x
  3. Step 3: Cross multiply
    14,456.52x = 19,926.13 × 9,674.76
  4. Step 4: Simplify right side
    14,456.52x = 192,780,525.48
  5. Step 5: Solve for x
    x = 192,780,525.48/14,456.52
  6. Step 6: Final answer
    x = 13,335.20

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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.