Home / 25,680.31-38,522.39-7,667.11

Finding the Fourth Proportional to 25,680.31, 38,522.39 and 7,667.11

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Solution

The fourth proportional to 25,680.31, 38,522.39 and 7,667.11 is: 11,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.31 : 38,522.39 = 7,667.11 : x
  2. Step 2: Convert to fraction form
    25,680.31/38,522.39 = 7,667.11/x
  3. Step 3: Cross multiply
    25,680.31x = 38,522.39 × 7,667.11
  4. Step 4: Simplify right side
    25,680.31x = 295,355,276.30
  5. Step 5: Solve for x
    x = 295,355,276.30/25,680.31
  6. Step 6: Final answer
    x = 11,501.24

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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.