Home / 20,023.10-30,013.76-7,534.52

Finding the Fourth Proportional to 20,023.10, 30,013.76 and 7,534.52

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Solution

The fourth proportional to 20,023.10, 30,013.76 and 7,534.52 is: 11,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.10 : 30,013.76 = 7,534.52 : x
  2. Step 2: Convert to fraction form
    20,023.10/30,013.76 = 7,534.52/x
  3. Step 3: Cross multiply
    20,023.10x = 30,013.76 × 7,534.52
  4. Step 4: Simplify right side
    20,023.10x = 226,139,275.00
  5. Step 5: Solve for x
    x = 226,139,275.00/20,023.10
  6. Step 6: Final answer
    x = 11,293.92

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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.