Home / 25,407.57-35,039.60-16,445.73

Finding the Fourth Proportional to 25,407.57, 35,039.60 and 16,445.73

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Solution

The fourth proportional to 25,407.57, 35,039.60 and 16,445.73 is: 22,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.57 : 35,039.60 = 16,445.73 : x
  2. Step 2: Convert to fraction form
    25,407.57/35,039.60 = 16,445.73/x
  3. Step 3: Cross multiply
    25,407.57x = 35,039.60 × 16,445.73
  4. Step 4: Simplify right side
    25,407.57x = 576,251,543.48
  5. Step 5: Solve for x
    x = 576,251,543.48/25,407.57
  6. Step 6: Final answer
    x = 22,680.31

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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.