Home / 15,674.97-23,512.35-3,988.08

Finding the Fourth Proportional to 15,674.97, 23,512.35 and 3,988.08

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Solution

The fourth proportional to 15,674.97, 23,512.35 and 3,988.08 is: 5,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.97 : 23,512.35 = 3,988.08 : x
  2. Step 2: Convert to fraction form
    15,674.97/23,512.35 = 3,988.08/x
  3. Step 3: Cross multiply
    15,674.97x = 23,512.35 × 3,988.08
  4. Step 4: Simplify right side
    15,674.97x = 93,769,132.79
  5. Step 5: Solve for x
    x = 93,769,132.79/15,674.97
  6. Step 6: Final answer
    x = 5,982.09

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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.