Home / 15,105.24-22,664.10-12,017.88

Finding the Fourth Proportional to 15,105.24, 22,664.10 and 12,017.88

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Solution

The fourth proportional to 15,105.24, 22,664.10 and 12,017.88 is: 18,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.24 : 22,664.10 = 12,017.88 : x
  2. Step 2: Convert to fraction form
    15,105.24/22,664.10 = 12,017.88/x
  3. Step 3: Cross multiply
    15,105.24x = 22,664.10 × 12,017.88
  4. Step 4: Simplify right side
    15,105.24x = 272,374,434.11
  5. Step 5: Solve for x
    x = 272,374,434.11/15,105.24
  6. Step 6: Final answer
    x = 18,031.78

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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.