Home / 35,755.90-53,621.52-13,575.61

Finding the Fourth Proportional to 35,755.90, 53,621.52 and 13,575.61

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Solution

The fourth proportional to 35,755.90, 53,621.52 and 13,575.61 is: 20,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.90 : 53,621.52 = 13,575.61 : x
  2. Step 2: Convert to fraction form
    35,755.90/53,621.52 = 13,575.61/x
  3. Step 3: Cross multiply
    35,755.90x = 53,621.52 × 13,575.61
  4. Step 4: Simplify right side
    35,755.90x = 727,944,843.13
  5. Step 5: Solve for x
    x = 727,944,843.13/35,755.90
  6. Step 6: Final answer
    x = 20,358.73

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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.