Home / 25,417.50-35,067.75-15,342.12

Finding the Fourth Proportional to 25,417.50, 35,067.75 and 15,342.12

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Solution

The fourth proportional to 25,417.50, 35,067.75 and 15,342.12 is: 21,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.50 : 35,067.75 = 15,342.12 : x
  2. Step 2: Convert to fraction form
    25,417.50/35,067.75 = 15,342.12/x
  3. Step 3: Cross multiply
    25,417.50x = 35,067.75 × 15,342.12
  4. Step 4: Simplify right side
    25,417.50x = 538,013,453.29
  5. Step 5: Solve for x
    x = 538,013,453.29/25,417.50
  6. Step 6: Final answer
    x = 21,167.05

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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.