Home / 22,496.47-31,045.36-12,425.16

Finding the Fourth Proportional to 22,496.47, 31,045.36 and 12,425.16

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Solution

The fourth proportional to 22,496.47, 31,045.36 and 12,425.16 is: 17,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.47 : 31,045.36 = 12,425.16 : x
  2. Step 2: Convert to fraction form
    22,496.47/31,045.36 = 12,425.16/x
  3. Step 3: Cross multiply
    22,496.47x = 31,045.36 × 12,425.16
  4. Step 4: Simplify right side
    22,496.47x = 385,743,565.26
  5. Step 5: Solve for x
    x = 385,743,565.26/22,496.47
  6. Step 6: Final answer
    x = 17,146.85

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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.