Home / 23,731.17-32,749.43-13,120.85

Finding the Fourth Proportional to 23,731.17, 32,749.43 and 13,120.85

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Solution

The fourth proportional to 23,731.17, 32,749.43 and 13,120.85 is: 18,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.17 : 32,749.43 = 13,120.85 : x
  2. Step 2: Convert to fraction form
    23,731.17/32,749.43 = 13,120.85/x
  3. Step 3: Cross multiply
    23,731.17x = 32,749.43 × 13,120.85
  4. Step 4: Simplify right side
    23,731.17x = 429,700,129.26
  5. Step 5: Solve for x
    x = 429,700,129.26/23,731.17
  6. Step 6: Final answer
    x = 18,106.99

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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.