Home / 18,491.04-25,517.82-10,107.54

Finding the Fourth Proportional to 18,491.04, 25,517.82 and 10,107.54

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Solution

The fourth proportional to 18,491.04, 25,517.82 and 10,107.54 is: 13,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.04 : 25,517.82 = 10,107.54 : x
  2. Step 2: Convert to fraction form
    18,491.04/25,517.82 = 10,107.54/x
  3. Step 3: Cross multiply
    18,491.04x = 25,517.82 × 10,107.54
  4. Step 4: Simplify right side
    18,491.04x = 257,922,386.36
  5. Step 5: Solve for x
    x = 257,922,386.36/18,491.04
  6. Step 6: Final answer
    x = 13,948.51

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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.