Home / 22,632.78-31,214.25-14,567.70

Finding the Fourth Proportional to 22,632.78, 31,214.25 and 14,567.70

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Solution

The fourth proportional to 22,632.78, 31,214.25 and 14,567.70 is: 20,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.78 : 31,214.25 = 14,567.70 : x
  2. Step 2: Convert to fraction form
    22,632.78/31,214.25 = 14,567.70/x
  3. Step 3: Cross multiply
    22,632.78x = 31,214.25 × 14,567.70
  4. Step 4: Simplify right side
    22,632.78x = 454,719,829.73
  5. Step 5: Solve for x
    x = 454,719,829.73/22,632.78
  6. Step 6: Final answer
    x = 20,091.21

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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.