Home / 19,603.32-29,401.92-6,454.56

Finding the Fourth Proportional to 19,603.32, 29,401.92 and 6,454.56

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Solution

The fourth proportional to 19,603.32, 29,401.92 and 6,454.56 is: 9,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.32 : 29,401.92 = 6,454.56 : x
  2. Step 2: Convert to fraction form
    19,603.32/29,401.92 = 6,454.56/x
  3. Step 3: Cross multiply
    19,603.32x = 29,401.92 × 6,454.56
  4. Step 4: Simplify right side
    19,603.32x = 189,776,456.76
  5. Step 5: Solve for x
    x = 189,776,456.76/19,603.32
  6. Step 6: Final answer
    x = 9,680.83

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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.