Home / 25,218.77-34,825.52-15,803.73

Finding the Fourth Proportional to 25,218.77, 34,825.52 and 15,803.73

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Solution

The fourth proportional to 25,218.77, 34,825.52 and 15,803.73 is: 21,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.77 : 34,825.52 = 15,803.73 : x
  2. Step 2: Convert to fraction form
    25,218.77/34,825.52 = 15,803.73/x
  3. Step 3: Cross multiply
    25,218.77x = 34,825.52 × 15,803.73
  4. Step 4: Simplify right side
    25,218.77x = 550,373,115.19
  5. Step 5: Solve for x
    x = 550,373,115.19/25,218.77
  6. Step 6: Final answer
    x = 21,823.95

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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.