Home / 13,294.42-18,345.15-7,324.62

Finding the Fourth Proportional to 13,294.42, 18,345.15 and 7,324.62

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Solution

The fourth proportional to 13,294.42, 18,345.15 and 7,324.62 is: 10,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.42 : 18,345.15 = 7,324.62 : x
  2. Step 2: Convert to fraction form
    13,294.42/18,345.15 = 7,324.62/x
  3. Step 3: Cross multiply
    13,294.42x = 18,345.15 × 7,324.62
  4. Step 4: Simplify right side
    13,294.42x = 134,371,252.59
  5. Step 5: Solve for x
    x = 134,371,252.59/13,294.42
  6. Step 6: Final answer
    x = 10,107.34

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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.