Home / 25,599.18-35,331.39-20,334.18

Finding the Fourth Proportional to 25,599.18, 35,331.39 and 20,334.18

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Solution

The fourth proportional to 25,599.18, 35,331.39 and 20,334.18 is: 28,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.18 : 35,331.39 = 20,334.18 : x
  2. Step 2: Convert to fraction form
    25,599.18/35,331.39 = 20,334.18/x
  3. Step 3: Cross multiply
    25,599.18x = 35,331.39 × 20,334.18
  4. Step 4: Simplify right side
    25,599.18x = 718,434,843.91
  5. Step 5: Solve for x
    x = 718,434,843.91/25,599.18
  6. Step 6: Final answer
    x = 28,064.76

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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.