Home / 15,994.40-23,984.19-5,991.71

Finding the Fourth Proportional to 15,994.40, 23,984.19 and 5,991.71

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Solution

The fourth proportional to 15,994.40, 23,984.19 and 5,991.71 is: 8,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.40 : 23,984.19 = 5,991.71 : x
  2. Step 2: Convert to fraction form
    15,994.40/23,984.19 = 5,991.71/x
  3. Step 3: Cross multiply
    15,994.40x = 23,984.19 × 5,991.71
  4. Step 4: Simplify right side
    15,994.40x = 143,706,191.14
  5. Step 5: Solve for x
    x = 143,706,191.14/15,994.40
  6. Step 6: Final answer
    x = 8,984.78

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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.