Home / 23,488.75-32,431.49-15,119.83

Finding the Fourth Proportional to 23,488.75, 32,431.49 and 15,119.83

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Solution

The fourth proportional to 23,488.75, 32,431.49 and 15,119.83 is: 20,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,488.75 : 32,431.49 = 15,119.83 : x
  2. Step 2: Convert to fraction form
    23,488.75/32,431.49 = 15,119.83/x
  3. Step 3: Cross multiply
    23,488.75x = 32,431.49 × 15,119.83
  4. Step 4: Simplify right side
    23,488.75x = 490,358,615.45
  5. Step 5: Solve for x
    x = 490,358,615.45/23,488.75
  6. Step 6: Final answer
    x = 20,876.32

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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.