Home / 13,712.22-20,525.40-9,470.52

Finding the Fourth Proportional to 13,712.22, 20,525.40 and 9,470.52

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Solution

The fourth proportional to 13,712.22, 20,525.40 and 9,470.52 is: 14,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.22 : 20,525.40 = 9,470.52 : x
  2. Step 2: Convert to fraction form
    13,712.22/20,525.40 = 9,470.52/x
  3. Step 3: Cross multiply
    13,712.22x = 20,525.40 × 9,470.52
  4. Step 4: Simplify right side
    13,712.22x = 194,386,211.21
  5. Step 5: Solve for x
    x = 194,386,211.21/13,712.22
  6. Step 6: Final answer
    x = 14,176.13

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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.