Home / 20,332.26-30,486.24-7,841.93

Finding the Fourth Proportional to 20,332.26, 30,486.24 and 7,841.93

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Solution

The fourth proportional to 20,332.26, 30,486.24 and 7,841.93 is: 11,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.26 : 30,486.24 = 7,841.93 : x
  2. Step 2: Convert to fraction form
    20,332.26/30,486.24 = 7,841.93/x
  3. Step 3: Cross multiply
    20,332.26x = 30,486.24 × 7,841.93
  4. Step 4: Simplify right side
    20,332.26x = 239,070,807.61
  5. Step 5: Solve for x
    x = 239,070,807.61/20,332.26
  6. Step 6: Final answer
    x = 11,758.20

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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.