Home / 13,304.92-19,931.82-7,443.76

Finding the Fourth Proportional to 13,304.92, 19,931.82 and 7,443.76

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Solution

The fourth proportional to 13,304.92, 19,931.82 and 7,443.76 is: 11,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.92 : 19,931.82 = 7,443.76 : x
  2. Step 2: Convert to fraction form
    13,304.92/19,931.82 = 7,443.76/x
  3. Step 3: Cross multiply
    13,304.92x = 19,931.82 × 7,443.76
  4. Step 4: Simplify right side
    13,304.92x = 148,367,684.44
  5. Step 5: Solve for x
    x = 148,367,684.44/13,304.92
  6. Step 6: Final answer
    x = 11,151.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.