Home / 13,851.24-19,115.34-7,883.52

Finding the Fourth Proportional to 13,851.24, 19,115.34 and 7,883.52

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Solution

The fourth proportional to 13,851.24, 19,115.34 and 7,883.52 is: 10,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.24 : 19,115.34 = 7,883.52 : x
  2. Step 2: Convert to fraction form
    13,851.24/19,115.34 = 7,883.52/x
  3. Step 3: Cross multiply
    13,851.24x = 19,115.34 × 7,883.52
  4. Step 4: Simplify right side
    13,851.24x = 150,696,165.20
  5. Step 5: Solve for x
    x = 150,696,165.20/13,851.24
  6. Step 6: Final answer
    x = 10,879.62

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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.