Home / 25,122.90-34,657.62-15,046.50

Finding the Fourth Proportional to 25,122.90, 34,657.62 and 15,046.50

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Solution

The fourth proportional to 25,122.90, 34,657.62 and 15,046.50 is: 20,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.90 : 34,657.62 = 15,046.50 : x
  2. Step 2: Convert to fraction form
    25,122.90/34,657.62 = 15,046.50/x
  3. Step 3: Cross multiply
    25,122.90x = 34,657.62 × 15,046.50
  4. Step 4: Simplify right side
    25,122.90x = 521,475,879.33
  5. Step 5: Solve for x
    x = 521,475,879.33/25,122.90
  6. Step 6: Final answer
    x = 20,756.99

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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.