Home / 22,664.78-31,276.86-12,592.74

Finding the Fourth Proportional to 22,664.78, 31,276.86 and 12,592.74

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Solution

The fourth proportional to 22,664.78, 31,276.86 and 12,592.74 is: 17,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.78 : 31,276.86 = 12,592.74 : x
  2. Step 2: Convert to fraction form
    22,664.78/31,276.86 = 12,592.74/x
  3. Step 3: Cross multiply
    22,664.78x = 31,276.86 × 12,592.74
  4. Step 4: Simplify right side
    22,664.78x = 393,861,366.00
  5. Step 5: Solve for x
    x = 393,861,366.00/22,664.78
  6. Step 6: Final answer
    x = 17,377.68

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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.