Home / 15,096.60-20,833.12-8,381.96

Finding the Fourth Proportional to 15,096.60, 20,833.12 and 8,381.96

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Solution

The fourth proportional to 15,096.60, 20,833.12 and 8,381.96 is: 11,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.60 : 20,833.12 = 8,381.96 : x
  2. Step 2: Convert to fraction form
    15,096.60/20,833.12 = 8,381.96/x
  3. Step 3: Cross multiply
    15,096.60x = 20,833.12 × 8,381.96
  4. Step 4: Simplify right side
    15,096.60x = 174,622,378.52
  5. Step 5: Solve for x
    x = 174,622,378.52/15,096.60
  6. Step 6: Final answer
    x = 11,567.00

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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.