Home / 13,952.22-20,926.71-5,186.13

Finding the Fourth Proportional to 13,952.22, 20,926.71 and 5,186.13

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Solution

The fourth proportional to 13,952.22, 20,926.71 and 5,186.13 is: 7,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.22 : 20,926.71 = 5,186.13 : x
  2. Step 2: Convert to fraction form
    13,952.22/20,926.71 = 5,186.13/x
  3. Step 3: Cross multiply
    13,952.22x = 20,926.71 × 5,186.13
  4. Step 4: Simplify right side
    13,952.22x = 108,528,638.53
  5. Step 5: Solve for x
    x = 108,528,638.53/13,952.22
  6. Step 6: Final answer
    x = 7,778.59

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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.