Home / 25,500.14-35,175.53-15,923.39

Finding the Fourth Proportional to 25,500.14, 35,175.53 and 15,923.39

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Solution

The fourth proportional to 25,500.14, 35,175.53 and 15,923.39 is: 21,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.14 : 35,175.53 = 15,923.39 : x
  2. Step 2: Convert to fraction form
    25,500.14/35,175.53 = 15,923.39/x
  3. Step 3: Cross multiply
    25,500.14x = 35,175.53 × 15,923.39
  4. Step 4: Simplify right side
    25,500.14x = 560,113,690.97
  5. Step 5: Solve for x
    x = 560,113,690.97/25,500.14
  6. Step 6: Final answer
    x = 21,965.13

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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.