Home / 22,568.76-31,143.56-12,496.64

Finding the Fourth Proportional to 22,568.76, 31,143.56 and 12,496.64

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Solution

The fourth proportional to 22,568.76, 31,143.56 and 12,496.64 is: 17,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.76 : 31,143.56 = 12,496.64 : x
  2. Step 2: Convert to fraction form
    22,568.76/31,143.56 = 12,496.64/x
  3. Step 3: Cross multiply
    22,568.76x = 31,143.56 × 12,496.64
  4. Step 4: Simplify right side
    22,568.76x = 389,189,639.44
  5. Step 5: Solve for x
    x = 389,189,639.44/22,568.76
  6. Step 6: Final answer
    x = 17,244.62

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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.