Home / 15,613.11-23,406.03-6,845.13

Finding the Fourth Proportional to 15,613.11, 23,406.03 and 6,845.13

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Solution

The fourth proportional to 15,613.11, 23,406.03 and 6,845.13 is: 10,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.11 : 23,406.03 = 6,845.13 : x
  2. Step 2: Convert to fraction form
    15,613.11/23,406.03 = 6,845.13/x
  3. Step 3: Cross multiply
    15,613.11x = 23,406.03 × 6,845.13
  4. Step 4: Simplify right side
    15,613.11x = 160,217,318.13
  5. Step 5: Solve for x
    x = 160,217,318.13/15,613.11
  6. Step 6: Final answer
    x = 10,261.72

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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.