Home / 23,120.26-34,686.87-9,278.98

Finding the Fourth Proportional to 23,120.26, 34,686.87 and 9,278.98

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Solution

The fourth proportional to 23,120.26, 34,686.87 and 9,278.98 is: 13,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.26 : 34,686.87 = 9,278.98 : x
  2. Step 2: Convert to fraction form
    23,120.26/34,686.87 = 9,278.98/x
  3. Step 3: Cross multiply
    23,120.26x = 34,686.87 × 9,278.98
  4. Step 4: Simplify right side
    23,120.26x = 321,858,772.99
  5. Step 5: Solve for x
    x = 321,858,772.99/23,120.26
  6. Step 6: Final answer
    x = 13,921.07

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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.