Home / 15,955.11-23,932.67-7,179.78

Finding the Fourth Proportional to 15,955.11, 23,932.67 and 7,179.78

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Solution

The fourth proportional to 15,955.11, 23,932.67 and 7,179.78 is: 10,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.11 : 23,932.67 = 7,179.78 : x
  2. Step 2: Convert to fraction form
    15,955.11/23,932.67 = 7,179.78/x
  3. Step 3: Cross multiply
    15,955.11x = 23,932.67 × 7,179.78
  4. Step 4: Simplify right side
    15,955.11x = 171,831,305.41
  5. Step 5: Solve for x
    x = 171,831,305.41/15,955.11
  6. Step 6: Final answer
    x = 10,769.67

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Similar ratio
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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.