Home / 17,711.90-26,538.69-12,375.62

Finding the Fourth Proportional to 17,711.90, 26,538.69 and 12,375.62

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Solution

The fourth proportional to 17,711.90, 26,538.69 and 12,375.62 is: 18,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.90 : 26,538.69 = 12,375.62 : x
  2. Step 2: Convert to fraction form
    17,711.90/26,538.69 = 12,375.62/x
  3. Step 3: Cross multiply
    17,711.90x = 26,538.69 × 12,375.62
  4. Step 4: Simplify right side
    17,711.90x = 328,432,686.36
  5. Step 5: Solve for x
    x = 328,432,686.36/17,711.90
  6. Step 6: Final answer
    x = 18,543.05

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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.