Home / 13,298.33-18,351.45-7,248.65

Finding the Fourth Proportional to 13,298.33, 18,351.45 and 7,248.65

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Solution

The fourth proportional to 13,298.33, 18,351.45 and 7,248.65 is: 10,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.33 : 18,351.45 = 7,248.65 : x
  2. Step 2: Convert to fraction form
    13,298.33/18,351.45 = 7,248.65/x
  3. Step 3: Cross multiply
    13,298.33x = 18,351.45 × 7,248.65
  4. Step 4: Simplify right side
    13,298.33x = 133,023,146.29
  5. Step 5: Solve for x
    x = 133,023,146.29/13,298.33
  6. Step 6: Final answer
    x = 10,002.99

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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.