Home / 25,410.35-35,067.59-15,338.65

Finding the Fourth Proportional to 25,410.35, 35,067.59 and 15,338.65

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Solution

The fourth proportional to 25,410.35, 35,067.59 and 15,338.65 is: 21,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.35 : 35,067.59 = 15,338.65 : x
  2. Step 2: Convert to fraction form
    25,410.35/35,067.59 = 15,338.65/x
  3. Step 3: Cross multiply
    25,410.35x = 35,067.59 × 15,338.65
  4. Step 4: Simplify right side
    25,410.35x = 537,889,489.35
  5. Step 5: Solve for x
    x = 537,889,489.35/25,410.35
  6. Step 6: Final answer
    x = 21,168.13

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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.