Home / 25,272.11-37,877.42-17,878.70

Finding the Fourth Proportional to 25,272.11, 37,877.42 and 17,878.70

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Solution

The fourth proportional to 25,272.11, 37,877.42 and 17,878.70 is: 26,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.11 : 37,877.42 = 17,878.70 : x
  2. Step 2: Convert to fraction form
    25,272.11/37,877.42 = 17,878.70/x
  3. Step 3: Cross multiply
    25,272.11x = 37,877.42 × 17,878.70
  4. Step 4: Simplify right side
    25,272.11x = 677,199,168.34
  5. Step 5: Solve for x
    x = 677,199,168.34/25,272.11
  6. Step 6: Final answer
    x = 26,796.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.