Home / 25,508.67-38,181.12-13,632.76

Finding the Fourth Proportional to 25,508.67, 38,181.12 and 13,632.76

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Solution

The fourth proportional to 25,508.67, 38,181.12 and 13,632.76 is: 20,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.67 : 38,181.12 = 13,632.76 : x
  2. Step 2: Convert to fraction form
    25,508.67/38,181.12 = 13,632.76/x
  3. Step 3: Cross multiply
    25,508.67x = 38,181.12 × 13,632.76
  4. Step 4: Simplify right side
    25,508.67x = 520,513,904.01
  5. Step 5: Solve for x
    x = 520,513,904.01/25,508.67
  6. Step 6: Final answer
    x = 20,405.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.