Home / 13,348.68-18,425.55-9,370.77

Finding the Fourth Proportional to 13,348.68, 18,425.55 and 9,370.77

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Solution

The fourth proportional to 13,348.68, 18,425.55 and 9,370.77 is: 12,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.68 : 18,425.55 = 9,370.77 : x
  2. Step 2: Convert to fraction form
    13,348.68/18,425.55 = 9,370.77/x
  3. Step 3: Cross multiply
    13,348.68x = 18,425.55 × 9,370.77
  4. Step 4: Simplify right side
    13,348.68x = 172,661,591.17
  5. Step 5: Solve for x
    x = 172,661,591.17/13,348.68
  6. Step 6: Final answer
    x = 12,934.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.