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Finding the Fourth Proportional to 15,991.47, 24,011.82 and 14,252.82

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Solution

The fourth proportional to 15,991.47, 24,011.82 and 14,252.82 is: 21,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.47 : 24,011.82 = 14,252.82 : x
  2. Step 2: Convert to fraction form
    15,991.47/24,011.82 = 14,252.82/x
  3. Step 3: Cross multiply
    15,991.47x = 24,011.82 × 14,252.82
  4. Step 4: Simplify right side
    15,991.47x = 342,236,148.33
  5. Step 5: Solve for x
    x = 342,236,148.33/15,991.47
  6. Step 6: Final answer
    x = 21,401.17

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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.