Home / 13,298.07-18,351.46-7,329.97

Finding the Fourth Proportional to 13,298.07, 18,351.46 and 7,329.97

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Solution

The fourth proportional to 13,298.07, 18,351.46 and 7,329.97 is: 10,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.07 : 18,351.46 = 7,329.97 : x
  2. Step 2: Convert to fraction form
    13,298.07/18,351.46 = 7,329.97/x
  3. Step 3: Cross multiply
    13,298.07x = 18,351.46 × 7,329.97
  4. Step 4: Simplify right side
    13,298.07x = 134,515,541.17
  5. Step 5: Solve for x
    x = 134,515,541.17/13,298.07
  6. Step 6: Final answer
    x = 10,115.42

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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.