Home / 17,648.68-26,425.66-9,311.40

Finding the Fourth Proportional to 17,648.68, 26,425.66 and 9,311.40

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Solution

The fourth proportional to 17,648.68, 26,425.66 and 9,311.40 is: 13,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.68 : 26,425.66 = 9,311.40 : x
  2. Step 2: Convert to fraction form
    17,648.68/26,425.66 = 9,311.40/x
  3. Step 3: Cross multiply
    17,648.68x = 26,425.66 × 9,311.40
  4. Step 4: Simplify right side
    17,648.68x = 246,059,890.52
  5. Step 5: Solve for x
    x = 246,059,890.52/17,648.68
  6. Step 6: Final answer
    x = 13,942.11

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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.