Home / 25,536.11-35,222.29-15,447.15

Finding the Fourth Proportional to 25,536.11, 35,222.29 and 15,447.15

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Solution

The fourth proportional to 25,536.11, 35,222.29 and 15,447.15 is: 21,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,536.11 : 35,222.29 = 15,447.15 : x
  2. Step 2: Convert to fraction form
    25,536.11/35,222.29 = 15,447.15/x
  3. Step 3: Cross multiply
    25,536.11x = 35,222.29 × 15,447.15
  4. Step 4: Simplify right side
    25,536.11x = 544,083,958.36
  5. Step 5: Solve for x
    x = 544,083,958.36/25,536.11
  6. Step 6: Final answer
    x = 21,306.46

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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.