Home / 25,823.85-35,644.55-15,216.90

Finding the Fourth Proportional to 25,823.85, 35,644.55 and 15,216.90

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Solution

The fourth proportional to 25,823.85, 35,644.55 and 15,216.90 is: 21,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.85 : 35,644.55 = 15,216.90 : x
  2. Step 2: Convert to fraction form
    25,823.85/35,644.55 = 15,216.90/x
  3. Step 3: Cross multiply
    25,823.85x = 35,644.55 × 15,216.90
  4. Step 4: Simplify right side
    25,823.85x = 542,399,552.90
  5. Step 5: Solve for x
    x = 542,399,552.90/25,823.85
  6. Step 6: Final answer
    x = 21,003.82

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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.