Home / 25,304.31-34,920.23-13,973.78

Finding the Fourth Proportional to 25,304.31, 34,920.23 and 13,973.78

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Solution

The fourth proportional to 25,304.31, 34,920.23 and 13,973.78 is: 19,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.31 : 34,920.23 = 13,973.78 : x
  2. Step 2: Convert to fraction form
    25,304.31/34,920.23 = 13,973.78/x
  3. Step 3: Cross multiply
    25,304.31x = 34,920.23 × 13,973.78
  4. Step 4: Simplify right side
    25,304.31x = 487,967,629.00
  5. Step 5: Solve for x
    x = 487,967,629.00/25,304.31
  6. Step 6: Final answer
    x = 19,283.97

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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.