Home / 15,096.04-20,833.20-8,381.75

Finding the Fourth Proportional to 15,096.04, 20,833.20 and 8,381.75

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Solution

The fourth proportional to 15,096.04, 20,833.20 and 8,381.75 is: 11,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.04 : 20,833.20 = 8,381.75 : x
  2. Step 2: Convert to fraction form
    15,096.04/20,833.20 = 8,381.75/x
  3. Step 3: Cross multiply
    15,096.04x = 20,833.20 × 8,381.75
  4. Step 4: Simplify right side
    15,096.04x = 174,618,569.93
  5. Step 5: Solve for x
    x = 174,618,569.93/15,096.04
  6. Step 6: Final answer
    x = 11,567.18

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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.