Home / 22,475.13-31,014.25-12,403.68

Finding the Fourth Proportional to 22,475.13, 31,014.25 and 12,403.68

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Solution

The fourth proportional to 22,475.13, 31,014.25 and 12,403.68 is: 17,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.13 : 31,014.25 = 12,403.68 : x
  2. Step 2: Convert to fraction form
    22,475.13/31,014.25 = 12,403.68/x
  3. Step 3: Cross multiply
    22,475.13x = 31,014.25 × 12,403.68
  4. Step 4: Simplify right side
    22,475.13x = 384,690,832.44
  5. Step 5: Solve for x
    x = 384,690,832.44/22,475.13
  6. Step 6: Final answer
    x = 17,116.29

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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.