Home / 25,788.11-35,585.74-15,176.30

Finding the Fourth Proportional to 25,788.11, 35,585.74 and 15,176.30

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Solution

The fourth proportional to 25,788.11, 35,585.74 and 15,176.30 is: 20,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.11 : 35,585.74 = 15,176.30 : x
  2. Step 2: Convert to fraction form
    25,788.11/35,585.74 = 15,176.30/x
  3. Step 3: Cross multiply
    25,788.11x = 35,585.74 × 15,176.30
  4. Step 4: Simplify right side
    25,788.11x = 540,059,865.96
  5. Step 5: Solve for x
    x = 540,059,865.96/25,788.11
  6. Step 6: Final answer
    x = 20,942.20

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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.