Home / 20,599.17-28,427.52-11,400.83

Finding the Fourth Proportional to 20,599.17, 28,427.52 and 11,400.83

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Solution

The fourth proportional to 20,599.17, 28,427.52 and 11,400.83 is: 15,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.17 : 28,427.52 = 11,400.83 : x
  2. Step 2: Convert to fraction form
    20,599.17/28,427.52 = 11,400.83/x
  3. Step 3: Cross multiply
    20,599.17x = 28,427.52 × 11,400.83
  4. Step 4: Simplify right side
    20,599.17x = 324,097,180.70
  5. Step 5: Solve for x
    x = 324,097,180.70/20,599.17
  6. Step 6: Final answer
    x = 15,733.51

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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.