Home / 13,175.92-19,777.40-8,823.76

Finding the Fourth Proportional to 13,175.92, 19,777.40 and 8,823.76

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Solution

The fourth proportional to 13,175.92, 19,777.40 and 8,823.76 is: 13,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.92 : 19,777.40 = 8,823.76 : x
  2. Step 2: Convert to fraction form
    13,175.92/19,777.40 = 8,823.76/x
  3. Step 3: Cross multiply
    13,175.92x = 19,777.40 × 8,823.76
  4. Step 4: Simplify right side
    13,175.92x = 174,511,031.02
  5. Step 5: Solve for x
    x = 174,511,031.02/13,175.92
  6. Step 6: Final answer
    x = 13,244.69

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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.