Home / 22,496.64-31,046.24-12,425.60

Finding the Fourth Proportional to 22,496.64, 31,046.24 and 12,425.60

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Solution

The fourth proportional to 22,496.64, 31,046.24 and 12,425.60 is: 17,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.64 : 31,046.24 = 12,425.60 : x
  2. Step 2: Convert to fraction form
    22,496.64/31,046.24 = 12,425.60/x
  3. Step 3: Cross multiply
    22,496.64x = 31,046.24 × 12,425.60
  4. Step 4: Simplify right side
    22,496.64x = 385,768,159.74
  5. Step 5: Solve for x
    x = 385,768,159.74/22,496.64
  6. Step 6: Final answer
    x = 17,147.81

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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.