Home / 20,599.97-28,425.67-11,525.74

Finding the Fourth Proportional to 20,599.97, 28,425.67 and 11,525.74

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Solution

The fourth proportional to 20,599.97, 28,425.67 and 11,525.74 is: 15,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.97 : 28,425.67 = 11,525.74 : x
  2. Step 2: Convert to fraction form
    20,599.97/28,425.67 = 11,525.74/x
  3. Step 3: Cross multiply
    20,599.97x = 28,425.67 × 11,525.74
  4. Step 4: Simplify right side
    20,599.97x = 327,626,781.87
  5. Step 5: Solve for x
    x = 327,626,781.87/20,599.97
  6. Step 6: Final answer
    x = 15,904.24

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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.