Home / 25,377.36-35,016.68-14,197.20

Finding the Fourth Proportional to 25,377.36, 35,016.68 and 14,197.20

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Solution

The fourth proportional to 25,377.36, 35,016.68 and 14,197.20 is: 19,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.36 : 35,016.68 = 14,197.20 : x
  2. Step 2: Convert to fraction form
    25,377.36/35,016.68 = 14,197.20/x
  3. Step 3: Cross multiply
    25,377.36x = 35,016.68 × 14,197.20
  4. Step 4: Simplify right side
    25,377.36x = 497,138,809.30
  5. Step 5: Solve for x
    x = 497,138,809.30/25,377.36
  6. Step 6: Final answer
    x = 19,589.86

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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.