Home / 19,172.17-28,758.26-8,783.92

Finding the Fourth Proportional to 19,172.17, 28,758.26 and 8,783.92

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Solution

The fourth proportional to 19,172.17, 28,758.26 and 8,783.92 is: 13,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.17 : 28,758.26 = 8,783.92 : x
  2. Step 2: Convert to fraction form
    19,172.17/28,758.26 = 8,783.92/x
  3. Step 3: Cross multiply
    19,172.17x = 28,758.26 × 8,783.92
  4. Step 4: Simplify right side
    19,172.17x = 252,610,255.18
  5. Step 5: Solve for x
    x = 252,610,255.18/19,172.17
  6. Step 6: Final answer
    x = 13,175.88

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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.