Home / 25,407.28-35,128.94-22,254.44

Finding the Fourth Proportional to 25,407.28, 35,128.94 and 22,254.44

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Solution

The fourth proportional to 25,407.28, 35,128.94 and 22,254.44 is: 30,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.28 : 35,128.94 = 22,254.44 : x
  2. Step 2: Convert to fraction form
    25,407.28/35,128.94 = 22,254.44/x
  3. Step 3: Cross multiply
    25,407.28x = 35,128.94 × 22,254.44
  4. Step 4: Simplify right side
    25,407.28x = 781,774,887.49
  5. Step 5: Solve for x
    x = 781,774,887.49/25,407.28
  6. Step 6: Final answer
    x = 30,769.72

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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.