Home / 22,256.43-30,728.21-19,862.30

Finding the Fourth Proportional to 22,256.43, 30,728.21 and 19,862.30

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Solution

The fourth proportional to 22,256.43, 30,728.21 and 19,862.30 is: 27,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.43 : 30,728.21 = 19,862.30 : x
  2. Step 2: Convert to fraction form
    22,256.43/30,728.21 = 19,862.30/x
  3. Step 3: Cross multiply
    22,256.43x = 30,728.21 × 19,862.30
  4. Step 4: Simplify right side
    22,256.43x = 610,332,925.48
  5. Step 5: Solve for x
    x = 610,332,925.48/22,256.43
  6. Step 6: Final answer
    x = 27,422.77

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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.