Home / 19,982.36-29,948.34-10,124.12

Finding the Fourth Proportional to 19,982.36, 29,948.34 and 10,124.12

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Solution

The fourth proportional to 19,982.36, 29,948.34 and 10,124.12 is: 15,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.36 : 29,948.34 = 10,124.12 : x
  2. Step 2: Convert to fraction form
    19,982.36/29,948.34 = 10,124.12/x
  3. Step 3: Cross multiply
    19,982.36x = 29,948.34 × 10,124.12
  4. Step 4: Simplify right side
    19,982.36x = 303,200,587.96
  5. Step 5: Solve for x
    x = 303,200,587.96/19,982.36
  6. Step 6: Final answer
    x = 15,173.41

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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.