Home / 25,398.68-35,067.52-15,842.32

Finding the Fourth Proportional to 25,398.68, 35,067.52 and 15,842.32

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Solution

The fourth proportional to 25,398.68, 35,067.52 and 15,842.32 is: 21,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.68 : 35,067.52 = 15,842.32 : x
  2. Step 2: Convert to fraction form
    25,398.68/35,067.52 = 15,842.32/x
  3. Step 3: Cross multiply
    25,398.68x = 35,067.52 × 15,842.32
  4. Step 4: Simplify right side
    25,398.68x = 555,550,873.45
  5. Step 5: Solve for x
    x = 555,550,873.45/25,398.68
  6. Step 6: Final answer
    x = 21,873.22

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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.