Home / 22,497.89-31,046.96-12,427.02

Finding the Fourth Proportional to 22,497.89, 31,046.96 and 12,427.02

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Solution

The fourth proportional to 22,497.89, 31,046.96 and 12,427.02 is: 17,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.89 : 31,046.96 = 12,427.02 : x
  2. Step 2: Convert to fraction form
    22,497.89/31,046.96 = 12,427.02/x
  3. Step 3: Cross multiply
    22,497.89x = 31,046.96 × 12,427.02
  4. Step 4: Simplify right side
    22,497.89x = 385,821,223.93
  5. Step 5: Solve for x
    x = 385,821,223.93/22,497.89
  6. Step 6: Final answer
    x = 17,149.22

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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.