Home / 18,966.75-28,459.23-10,200.52

Finding the Fourth Proportional to 18,966.75, 28,459.23 and 10,200.52

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Solution

The fourth proportional to 18,966.75, 28,459.23 and 10,200.52 is: 15,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.75 : 28,459.23 = 10,200.52 : x
  2. Step 2: Convert to fraction form
    18,966.75/28,459.23 = 10,200.52/x
  3. Step 3: Cross multiply
    18,966.75x = 28,459.23 × 10,200.52
  4. Step 4: Simplify right side
    18,966.75x = 290,298,944.80
  5. Step 5: Solve for x
    x = 290,298,944.80/18,966.75
  6. Step 6: Final answer
    x = 15,305.68

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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.