Home / 17,178.30-23,719.76-11,441.36

Finding the Fourth Proportional to 17,178.30, 23,719.76 and 11,441.36

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Solution

The fourth proportional to 17,178.30, 23,719.76 and 11,441.36 is: 15,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.30 : 23,719.76 = 11,441.36 : x
  2. Step 2: Convert to fraction form
    17,178.30/23,719.76 = 11,441.36/x
  3. Step 3: Cross multiply
    17,178.30x = 23,719.76 × 11,441.36
  4. Step 4: Simplify right side
    17,178.30x = 271,386,137.47
  5. Step 5: Solve for x
    x = 271,386,137.47/17,178.30
  6. Step 6: Final answer
    x = 15,798.20

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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.