Home / 14,448.12-19,938.17-8,074.80

Finding the Fourth Proportional to 14,448.12, 19,938.17 and 8,074.80

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Solution

The fourth proportional to 14,448.12, 19,938.17 and 8,074.80 is: 11,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.12 : 19,938.17 = 8,074.80 : x
  2. Step 2: Convert to fraction form
    14,448.12/19,938.17 = 8,074.80/x
  3. Step 3: Cross multiply
    14,448.12x = 19,938.17 × 8,074.80
  4. Step 4: Simplify right side
    14,448.12x = 160,996,735.12
  5. Step 5: Solve for x
    x = 160,996,735.12/14,448.12
  6. Step 6: Final answer
    x = 11,143.09

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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.