Home / 23,748.66-32,772.87-13,138.20

Finding the Fourth Proportional to 23,748.66, 32,772.87 and 13,138.20

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Solution

The fourth proportional to 23,748.66, 32,772.87 and 13,138.20 is: 18,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,748.66 : 32,772.87 = 13,138.20 : x
  2. Step 2: Convert to fraction form
    23,748.66/32,772.87 = 13,138.20/x
  3. Step 3: Cross multiply
    23,748.66x = 32,772.87 × 13,138.20
  4. Step 4: Simplify right side
    23,748.66x = 430,576,520.63
  5. Step 5: Solve for x
    x = 430,576,520.63/23,748.66
  6. Step 6: Final answer
    x = 18,130.56

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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.