Home / 25,859.20-35,690.36-15,248.20

Finding the Fourth Proportional to 25,859.20, 35,690.36 and 15,248.20

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Solution

The fourth proportional to 25,859.20, 35,690.36 and 15,248.20 is: 21,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.20 : 35,690.36 = 15,248.20 : x
  2. Step 2: Convert to fraction form
    25,859.20/35,690.36 = 15,248.20/x
  3. Step 3: Cross multiply
    25,859.20x = 35,690.36 × 15,248.20
  4. Step 4: Simplify right side
    25,859.20x = 544,213,747.35
  5. Step 5: Solve for x
    x = 544,213,747.35/25,859.20
  6. Step 6: Final answer
    x = 21,045.27

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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.