Home / 16,705.15-25,031.07-12,242.13

Finding the Fourth Proportional to 16,705.15, 25,031.07 and 12,242.13

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Solution

The fourth proportional to 16,705.15, 25,031.07 and 12,242.13 is: 18,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.15 : 25,031.07 = 12,242.13 : x
  2. Step 2: Convert to fraction form
    16,705.15/25,031.07 = 12,242.13/x
  3. Step 3: Cross multiply
    16,705.15x = 25,031.07 × 12,242.13
  4. Step 4: Simplify right side
    16,705.15x = 306,433,520.14
  5. Step 5: Solve for x
    x = 306,433,520.14/16,705.15
  6. Step 6: Final answer
    x = 18,343.66

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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.