Home / 25,655.20-35,385.36-18,593.44

Finding the Fourth Proportional to 25,655.20, 35,385.36 and 18,593.44

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Solution

The fourth proportional to 25,655.20, 35,385.36 and 18,593.44 is: 25,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.20 : 35,385.36 = 18,593.44 : x
  2. Step 2: Convert to fraction form
    25,655.20/35,385.36 = 18,593.44/x
  3. Step 3: Cross multiply
    25,655.20x = 35,385.36 × 18,593.44
  4. Step 4: Simplify right side
    25,655.20x = 657,935,568.04
  5. Step 5: Solve for x
    x = 657,935,568.04/25,655.20
  6. Step 6: Final answer
    x = 25,645.31

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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.