Home / 22,260.64-30,730.76-12,827.36

Finding the Fourth Proportional to 22,260.64, 30,730.76 and 12,827.36

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Solution

The fourth proportional to 22,260.64, 30,730.76 and 12,827.36 is: 17,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.64 : 30,730.76 = 12,827.36 : x
  2. Step 2: Convert to fraction form
    22,260.64/30,730.76 = 12,827.36/x
  3. Step 3: Cross multiply
    22,260.64x = 30,730.76 × 12,827.36
  4. Step 4: Simplify right side
    22,260.64x = 394,194,521.59
  5. Step 5: Solve for x
    x = 394,194,521.59/22,260.64
  6. Step 6: Final answer
    x = 17,708.14

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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.