Home / 14,799.72-20,424.22-8,512.10

Finding the Fourth Proportional to 14,799.72, 20,424.22 and 8,512.10

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Solution

The fourth proportional to 14,799.72, 20,424.22 and 8,512.10 is: 11,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.72 : 20,424.22 = 8,512.10 : x
  2. Step 2: Convert to fraction form
    14,799.72/20,424.22 = 8,512.10/x
  3. Step 3: Cross multiply
    14,799.72x = 20,424.22 × 8,512.10
  4. Step 4: Simplify right side
    14,799.72x = 173,853,003.06
  5. Step 5: Solve for x
    x = 173,853,003.06/14,799.72
  6. Step 6: Final answer
    x = 11,747.05

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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.