Home / 22,639.66-31,241.24-12,567.61

Finding the Fourth Proportional to 22,639.66, 31,241.24 and 12,567.61

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Solution

The fourth proportional to 22,639.66, 31,241.24 and 12,567.61 is: 17,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.66 : 31,241.24 = 12,567.61 : x
  2. Step 2: Convert to fraction form
    22,639.66/31,241.24 = 12,567.61/x
  3. Step 3: Cross multiply
    22,639.66x = 31,241.24 × 12,567.61
  4. Step 4: Simplify right side
    22,639.66x = 392,627,501.19
  5. Step 5: Solve for x
    x = 392,627,501.19/22,639.66
  6. Step 6: Final answer
    x = 17,342.47

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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.