Home / 25,137.36-34,689.60-13,959.36

Finding the Fourth Proportional to 25,137.36, 34,689.60 and 13,959.36

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Solution

The fourth proportional to 25,137.36, 34,689.60 and 13,959.36 is: 19,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.36 : 34,689.60 = 13,959.36 : x
  2. Step 2: Convert to fraction form
    25,137.36/34,689.60 = 13,959.36/x
  3. Step 3: Cross multiply
    25,137.36x = 34,689.60 × 13,959.36
  4. Step 4: Simplify right side
    25,137.36x = 484,244,614.66
  5. Step 5: Solve for x
    x = 484,244,614.66/25,137.36
  6. Step 6: Final answer
    x = 19,263.94

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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.