Home / 25,909.82-35,758.32-15,844.16

Finding the Fourth Proportional to 25,909.82, 35,758.32 and 15,844.16

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Solution

The fourth proportional to 25,909.82, 35,758.32 and 15,844.16 is: 21,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.82 : 35,758.32 = 15,844.16 : x
  2. Step 2: Convert to fraction form
    25,909.82/35,758.32 = 15,844.16/x
  3. Step 3: Cross multiply
    25,909.82x = 35,758.32 × 15,844.16
  4. Step 4: Simplify right side
    25,909.82x = 566,560,543.41
  5. Step 5: Solve for x
    x = 566,560,543.41/25,909.82
  6. Step 6: Final answer
    x = 21,866.63

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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.