Home / 25,290.74-34,900.78-13,960.22

Finding the Fourth Proportional to 25,290.74, 34,900.78 and 13,960.22

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Solution

The fourth proportional to 25,290.74, 34,900.78 and 13,960.22 is: 19,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.74 : 34,900.78 = 13,960.22 : x
  2. Step 2: Convert to fraction form
    25,290.74/34,900.78 = 13,960.22/x
  3. Step 3: Cross multiply
    25,290.74x = 34,900.78 × 13,960.22
  4. Step 4: Simplify right side
    25,290.74x = 487,222,566.97
  5. Step 5: Solve for x
    x = 487,222,566.97/25,290.74
  6. Step 6: Final answer
    x = 19,264.86

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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.