Home / 20,332.56-30,500.82-6,292.02

Finding the Fourth Proportional to 20,332.56, 30,500.82 and 6,292.02

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Solution

The fourth proportional to 20,332.56, 30,500.82 and 6,292.02 is: 9,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.56 : 30,500.82 = 6,292.02 : x
  2. Step 2: Convert to fraction form
    20,332.56/30,500.82 = 6,292.02/x
  3. Step 3: Cross multiply
    20,332.56x = 30,500.82 × 6,292.02
  4. Step 4: Simplify right side
    20,332.56x = 191,911,769.46
  5. Step 5: Solve for x
    x = 191,911,769.46/20,332.56
  6. Step 6: Final answer
    x = 9,438.64

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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.