Home / 22,792.68-31,455.48-12,723.10

Finding the Fourth Proportional to 22,792.68, 31,455.48 and 12,723.10

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Solution

The fourth proportional to 22,792.68, 31,455.48 and 12,723.10 is: 17,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.68 : 31,455.48 = 12,723.10 : x
  2. Step 2: Convert to fraction form
    22,792.68/31,455.48 = 12,723.10/x
  3. Step 3: Cross multiply
    22,792.68x = 31,455.48 × 12,723.10
  4. Step 4: Simplify right side
    22,792.68x = 400,211,217.59
  5. Step 5: Solve for x
    x = 400,211,217.59/22,792.68
  6. Step 6: Final answer
    x = 17,558.76

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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.