Home / 25,809.68-35,630.52-18,261.92

Finding the Fourth Proportional to 25,809.68, 35,630.52 and 18,261.92

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Solution

The fourth proportional to 25,809.68, 35,630.52 and 18,261.92 is: 25,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.68 : 35,630.52 = 18,261.92 : x
  2. Step 2: Convert to fraction form
    25,809.68/35,630.52 = 18,261.92/x
  3. Step 3: Cross multiply
    25,809.68x = 35,630.52 × 18,261.92
  4. Step 4: Simplify right side
    25,809.68x = 650,681,705.80
  5. Step 5: Solve for x
    x = 650,681,705.80/25,809.68
  6. Step 6: Final answer
    x = 25,210.76

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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.