Home / 25,339.36-34,964.40-14,159.20

Finding the Fourth Proportional to 25,339.36, 34,964.40 and 14,159.20

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Solution

The fourth proportional to 25,339.36, 34,964.40 and 14,159.20 is: 19,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,339.36 : 34,964.40 = 14,159.20 : x
  2. Step 2: Convert to fraction form
    25,339.36/34,964.40 = 14,159.20/x
  3. Step 3: Cross multiply
    25,339.36x = 34,964.40 × 14,159.20
  4. Step 4: Simplify right side
    25,339.36x = 495,067,932.48
  5. Step 5: Solve for x
    x = 495,067,932.48/25,339.36
  6. Step 6: Final answer
    x = 19,537.51

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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.