Home / 25,885.60-35,734.16-19,514.78

Finding the Fourth Proportional to 25,885.60, 35,734.16 and 19,514.78

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Solution

The fourth proportional to 25,885.60, 35,734.16 and 19,514.78 is: 26,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.60 : 35,734.16 = 19,514.78 : x
  2. Step 2: Convert to fraction form
    25,885.60/35,734.16 = 19,514.78/x
  3. Step 3: Cross multiply
    25,885.60x = 35,734.16 × 19,514.78
  4. Step 4: Simplify right side
    25,885.60x = 697,344,270.88
  5. Step 5: Solve for x
    x = 697,344,270.88/25,885.60
  6. Step 6: Final answer
    x = 26,939.47

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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.