Home / 19,873.68-29,810.40-5,082.58

Finding the Fourth Proportional to 19,873.68, 29,810.40 and 5,082.58

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Solution

The fourth proportional to 19,873.68, 29,810.40 and 5,082.58 is: 7,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.68 : 29,810.40 = 5,082.58 : x
  2. Step 2: Convert to fraction form
    19,873.68/29,810.40 = 5,082.58/x
  3. Step 3: Cross multiply
    19,873.68x = 29,810.40 × 5,082.58
  4. Step 4: Simplify right side
    19,873.68x = 151,513,606.49
  5. Step 5: Solve for x
    x = 151,513,606.49/19,873.68
  6. Step 6: Final answer
    x = 7,623.83

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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.