Home / 22,254.24-30,708.24-12,823.20

Finding the Fourth Proportional to 22,254.24, 30,708.24 and 12,823.20

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Solution

The fourth proportional to 22,254.24, 30,708.24 and 12,823.20 is: 17,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.24 : 30,708.24 = 12,823.20 : x
  2. Step 2: Convert to fraction form
    22,254.24/30,708.24 = 12,823.20/x
  3. Step 3: Cross multiply
    22,254.24x = 30,708.24 × 12,823.20
  4. Step 4: Simplify right side
    22,254.24x = 393,777,903.17
  5. Step 5: Solve for x
    x = 393,777,903.17/22,254.24
  6. Step 6: Final answer
    x = 17,694.51

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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.