Home / 25,440.75-38,135.07-10,658.25

Finding the Fourth Proportional to 25,440.75, 38,135.07 and 10,658.25

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Solution

The fourth proportional to 25,440.75, 38,135.07 and 10,658.25 is: 15,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.75 : 38,135.07 = 10,658.25 : x
  2. Step 2: Convert to fraction form
    25,440.75/38,135.07 = 10,658.25/x
  3. Step 3: Cross multiply
    25,440.75x = 38,135.07 × 10,658.25
  4. Step 4: Simplify right side
    25,440.75x = 406,453,109.83
  5. Step 5: Solve for x
    x = 406,453,109.83/25,440.75
  6. Step 6: Final answer
    x = 15,976.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.