Home / 25,247.76-34,821.40-22,216.32

Finding the Fourth Proportional to 25,247.76, 34,821.40 and 22,216.32

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Solution

The fourth proportional to 25,247.76, 34,821.40 and 22,216.32 is: 30,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,247.76 : 34,821.40 = 22,216.32 : x
  2. Step 2: Convert to fraction form
    25,247.76/34,821.40 = 22,216.32/x
  3. Step 3: Cross multiply
    25,247.76x = 34,821.40 × 22,216.32
  4. Step 4: Simplify right side
    25,247.76x = 773,603,365.25
  5. Step 5: Solve for x
    x = 773,603,365.25/25,247.76
  6. Step 6: Final answer
    x = 30,640.48

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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.