Home / 23,741.76-32,760.96-13,129.92

Finding the Fourth Proportional to 23,741.76, 32,760.96 and 13,129.92

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Solution

The fourth proportional to 23,741.76, 32,760.96 and 13,129.92 is: 18,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,741.76 : 32,760.96 = 13,129.92 : x
  2. Step 2: Convert to fraction form
    23,741.76/32,760.96 = 13,129.92/x
  3. Step 3: Cross multiply
    23,741.76x = 32,760.96 × 13,129.92
  4. Step 4: Simplify right side
    23,741.76x = 430,148,783.92
  5. Step 5: Solve for x
    x = 430,148,783.92/23,741.76
  6. Step 6: Final answer
    x = 18,117.81

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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.