Home / 23,301.76-32,147.40-15,347.92

Finding the Fourth Proportional to 23,301.76, 32,147.40 and 15,347.92

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Solution

The fourth proportional to 23,301.76, 32,147.40 and 15,347.92 is: 21,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,301.76 : 32,147.40 = 15,347.92 : x
  2. Step 2: Convert to fraction form
    23,301.76/32,147.40 = 15,347.92/x
  3. Step 3: Cross multiply
    23,301.76x = 32,147.40 × 15,347.92
  4. Step 4: Simplify right side
    23,301.76x = 493,395,723.41
  5. Step 5: Solve for x
    x = 493,395,723.41/23,301.76
  6. Step 6: Final answer
    x = 21,174.18

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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.