Home / 19,231.40-28,849.80-6,082.40

Finding the Fourth Proportional to 19,231.40, 28,849.80 and 6,082.40

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Solution

The fourth proportional to 19,231.40, 28,849.80 and 6,082.40 is: 9,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.40 : 28,849.80 = 6,082.40 : x
  2. Step 2: Convert to fraction form
    19,231.40/28,849.80 = 6,082.40/x
  3. Step 3: Cross multiply
    19,231.40x = 28,849.80 × 6,082.40
  4. Step 4: Simplify right side
    19,231.40x = 175,476,023.52
  5. Step 5: Solve for x
    x = 175,476,023.52/19,231.40
  6. Step 6: Final answer
    x = 9,124.45

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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.