Home / 23,747.68-32,773.12-13,137.28

Finding the Fourth Proportional to 23,747.68, 32,773.12 and 13,137.28

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Solution

The fourth proportional to 23,747.68, 32,773.12 and 13,137.28 is: 18,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,747.68 : 32,773.12 = 13,137.28 : x
  2. Step 2: Convert to fraction form
    23,747.68/32,773.12 = 13,137.28/x
  3. Step 3: Cross multiply
    23,747.68x = 32,773.12 × 13,137.28
  4. Step 4: Simplify right side
    23,747.68x = 430,549,653.91
  5. Step 5: Solve for x
    x = 430,549,653.91/23,747.68
  6. Step 6: Final answer
    x = 18,130.18

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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.