Home / 25,948.30-35,798.82-15,871.70

Finding the Fourth Proportional to 25,948.30, 35,798.82 and 15,871.70

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Solution

The fourth proportional to 25,948.30, 35,798.82 and 15,871.70 is: 21,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.30 : 35,798.82 = 15,871.70 : x
  2. Step 2: Convert to fraction form
    25,948.30/35,798.82 = 15,871.70/x
  3. Step 3: Cross multiply
    25,948.30x = 35,798.82 × 15,871.70
  4. Step 4: Simplify right side
    25,948.30x = 568,188,131.39
  5. Step 5: Solve for x
    x = 568,188,131.39/25,948.30
  6. Step 6: Final answer
    x = 21,896.93

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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.