Home / 13,006.14-17,948.46-7,340.88

Finding the Fourth Proportional to 13,006.14, 17,948.46 and 7,340.88

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Solution

The fourth proportional to 13,006.14, 17,948.46 and 7,340.88 is: 10,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.14 : 17,948.46 = 7,340.88 : x
  2. Step 2: Convert to fraction form
    13,006.14/17,948.46 = 7,340.88/x
  3. Step 3: Cross multiply
    13,006.14x = 17,948.46 × 7,340.88
  4. Step 4: Simplify right side
    13,006.14x = 131,757,491.04
  5. Step 5: Solve for x
    x = 131,757,491.04/13,006.14
  6. Step 6: Final answer
    x = 10,130.41

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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.