Home / 22,540.47-31,113.08-15,827.73

Finding the Fourth Proportional to 22,540.47, 31,113.08 and 15,827.73

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Solution

The fourth proportional to 22,540.47, 31,113.08 and 15,827.73 is: 21,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.47 : 31,113.08 = 15,827.73 : x
  2. Step 2: Convert to fraction form
    22,540.47/31,113.08 = 15,827.73/x
  3. Step 3: Cross multiply
    22,540.47x = 31,113.08 × 15,827.73
  4. Step 4: Simplify right side
    22,540.47x = 492,449,429.71
  5. Step 5: Solve for x
    x = 492,449,429.71/22,540.47
  6. Step 6: Final answer
    x = 21,847.35

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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.