Home / 25,249.74-34,840.56-15,175.77

Finding the Fourth Proportional to 25,249.74, 34,840.56 and 15,175.77

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Solution

The fourth proportional to 25,249.74, 34,840.56 and 15,175.77 is: 20,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.74 : 34,840.56 = 15,175.77 : x
  2. Step 2: Convert to fraction form
    25,249.74/34,840.56 = 15,175.77/x
  3. Step 3: Cross multiply
    25,249.74x = 34,840.56 × 15,175.77
  4. Step 4: Simplify right side
    25,249.74x = 528,732,325.23
  5. Step 5: Solve for x
    x = 528,732,325.23/25,249.74
  6. Step 6: Final answer
    x = 20,940.11

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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.