Home / 19,912.72-29,870.76-6,061.76

Finding the Fourth Proportional to 19,912.72, 29,870.76 and 6,061.76

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Solution

The fourth proportional to 19,912.72, 29,870.76 and 6,061.76 is: 9,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.72 : 29,870.76 = 6,061.76 : x
  2. Step 2: Convert to fraction form
    19,912.72/29,870.76 = 6,061.76/x
  3. Step 3: Cross multiply
    19,912.72x = 29,870.76 × 6,061.76
  4. Step 4: Simplify right side
    19,912.72x = 181,069,378.14
  5. Step 5: Solve for x
    x = 181,069,378.14/19,912.72
  6. Step 6: Final answer
    x = 9,093.15

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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.