Home / 17,148.90-25,680.15-11,273.70

Finding the Fourth Proportional to 17,148.90, 25,680.15 and 11,273.70

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Solution

The fourth proportional to 17,148.90, 25,680.15 and 11,273.70 is: 16,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.90 : 25,680.15 = 11,273.70 : x
  2. Step 2: Convert to fraction form
    17,148.90/25,680.15 = 11,273.70/x
  3. Step 3: Cross multiply
    17,148.90x = 25,680.15 × 11,273.70
  4. Step 4: Simplify right side
    17,148.90x = 289,510,307.06
  5. Step 5: Solve for x
    x = 289,510,307.06/17,148.90
  6. Step 6: Final answer
    x = 16,882.15

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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.