Home / 14,167.68-19,552.12-8,199.60

Finding the Fourth Proportional to 14,167.68, 19,552.12 and 8,199.60

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Solution

The fourth proportional to 14,167.68, 19,552.12 and 8,199.60 is: 11,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.68 : 19,552.12 = 8,199.60 : x
  2. Step 2: Convert to fraction form
    14,167.68/19,552.12 = 8,199.60/x
  3. Step 3: Cross multiply
    14,167.68x = 19,552.12 × 8,199.60
  4. Step 4: Simplify right side
    14,167.68x = 160,319,563.15
  5. Step 5: Solve for x
    x = 160,319,563.15/14,167.68
  6. Step 6: Final answer
    x = 11,315.87

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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.