Home / 25,940.32-35,797.68-15,335.20

Finding the Fourth Proportional to 25,940.32, 35,797.68 and 15,335.20

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Solution

The fourth proportional to 25,940.32, 35,797.68 and 15,335.20 is: 21,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.32 : 35,797.68 = 15,335.20 : x
  2. Step 2: Convert to fraction form
    25,940.32/35,797.68 = 15,335.20/x
  3. Step 3: Cross multiply
    25,940.32x = 35,797.68 × 15,335.20
  4. Step 4: Simplify right side
    25,940.32x = 548,964,582.34
  5. Step 5: Solve for x
    x = 548,964,582.34/25,940.32
  6. Step 6: Final answer
    x = 21,162.60

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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.