Home / 16,721.36-25,072.44-5,031.12

Finding the Fourth Proportional to 16,721.36, 25,072.44 and 5,031.12

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Solution

The fourth proportional to 16,721.36, 25,072.44 and 5,031.12 is: 7,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.36 : 25,072.44 = 5,031.12 : x
  2. Step 2: Convert to fraction form
    16,721.36/25,072.44 = 5,031.12/x
  3. Step 3: Cross multiply
    16,721.36x = 25,072.44 × 5,031.12
  4. Step 4: Simplify right side
    16,721.36x = 126,142,454.33
  5. Step 5: Solve for x
    x = 126,142,454.33/16,721.36
  6. Step 6: Final answer
    x = 7,543.79

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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.