Home / 14,167.12-21,231.54-5,397.24

Finding the Fourth Proportional to 14,167.12, 21,231.54 and 5,397.24

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Solution

The fourth proportional to 14,167.12, 21,231.54 and 5,397.24 is: 8,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.12 : 21,231.54 = 5,397.24 : x
  2. Step 2: Convert to fraction form
    14,167.12/21,231.54 = 5,397.24/x
  3. Step 3: Cross multiply
    14,167.12x = 21,231.54 × 5,397.24
  4. Step 4: Simplify right side
    14,167.12x = 114,591,716.95
  5. Step 5: Solve for x
    x = 114,591,716.95/14,167.12
  6. Step 6: Final answer
    x = 8,088.57

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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.