Home / 19,252.14-28,886.10-8,719.30

Finding the Fourth Proportional to 19,252.14, 28,886.10 and 8,719.30

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Solution

The fourth proportional to 19,252.14, 28,886.10 and 8,719.30 is: 13,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.14 : 28,886.10 = 8,719.30 : x
  2. Step 2: Convert to fraction form
    19,252.14/28,886.10 = 8,719.30/x
  3. Step 3: Cross multiply
    19,252.14x = 28,886.10 × 8,719.30
  4. Step 4: Simplify right side
    19,252.14x = 251,866,571.73
  5. Step 5: Solve for x
    x = 251,866,571.73/19,252.14
  6. Step 6: Final answer
    x = 13,082.52

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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.