Home / 13,082.32-19,631.84-4,761.56

Finding the Fourth Proportional to 13,082.32, 19,631.84 and 4,761.56

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Solution

The fourth proportional to 13,082.32, 19,631.84 and 4,761.56 is: 7,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.32 : 19,631.84 = 4,761.56 : x
  2. Step 2: Convert to fraction form
    13,082.32/19,631.84 = 4,761.56/x
  3. Step 3: Cross multiply
    13,082.32x = 19,631.84 × 4,761.56
  4. Step 4: Simplify right side
    13,082.32x = 93,478,184.07
  5. Step 5: Solve for x
    x = 93,478,184.07/13,082.32
  6. Step 6: Final answer
    x = 7,145.38

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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.