Home / 25,375.42-35,018.15-14,045.70

Finding the Fourth Proportional to 25,375.42, 35,018.15 and 14,045.70

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Solution

The fourth proportional to 25,375.42, 35,018.15 and 14,045.70 is: 19,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.42 : 35,018.15 = 14,045.70 : x
  2. Step 2: Convert to fraction form
    25,375.42/35,018.15 = 14,045.70/x
  3. Step 3: Cross multiply
    25,375.42x = 35,018.15 × 14,045.70
  4. Step 4: Simplify right side
    25,375.42x = 491,854,372.57
  5. Step 5: Solve for x
    x = 491,854,372.57/25,375.42
  6. Step 6: Final answer
    x = 19,383.10

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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.