Home / 13,476.93-20,233.20-11,515.13

Finding the Fourth Proportional to 13,476.93, 20,233.20 and 11,515.13

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Solution

The fourth proportional to 13,476.93, 20,233.20 and 11,515.13 is: 17,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.93 : 20,233.20 = 11,515.13 : x
  2. Step 2: Convert to fraction form
    13,476.93/20,233.20 = 11,515.13/x
  3. Step 3: Cross multiply
    13,476.93x = 20,233.20 × 11,515.13
  4. Step 4: Simplify right side
    13,476.93x = 232,987,827.15
  5. Step 5: Solve for x
    x = 232,987,827.15/13,476.93
  6. Step 6: Final answer
    x = 17,287.90

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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.