Home / 25,226.55-34,774.61-20,742.53

Finding the Fourth Proportional to 25,226.55, 34,774.61 and 20,742.53

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Solution

The fourth proportional to 25,226.55, 34,774.61 and 20,742.53 is: 28,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,226.55 : 34,774.61 = 20,742.53 : x
  2. Step 2: Convert to fraction form
    25,226.55/34,774.61 = 20,742.53/x
  3. Step 3: Cross multiply
    25,226.55x = 34,774.61 × 20,742.53
  4. Step 4: Simplify right side
    25,226.55x = 721,313,113.58
  5. Step 5: Solve for x
    x = 721,313,113.58/25,226.55
  6. Step 6: Final answer
    x = 28,593.41

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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.