Home / 25,536.01-35,201.28-20,149.16

Finding the Fourth Proportional to 25,536.01, 35,201.28 and 20,149.16

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Solution

The fourth proportional to 25,536.01, 35,201.28 and 20,149.16 is: 27,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,536.01 : 35,201.28 = 20,149.16 : x
  2. Step 2: Convert to fraction form
    25,536.01/35,201.28 = 20,149.16/x
  3. Step 3: Cross multiply
    25,536.01x = 35,201.28 × 20,149.16
  4. Step 4: Simplify right side
    25,536.01x = 709,276,122.48
  5. Step 5: Solve for x
    x = 709,276,122.48/25,536.01
  6. Step 6: Final answer
    x = 27,775.53

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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.