Home / 19,967.06-29,953.28-6,815.90

Finding the Fourth Proportional to 19,967.06, 29,953.28 and 6,815.90

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Solution

The fourth proportional to 19,967.06, 29,953.28 and 6,815.90 is: 10,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.06 : 29,953.28 = 6,815.90 : x
  2. Step 2: Convert to fraction form
    19,967.06/29,953.28 = 6,815.90/x
  3. Step 3: Cross multiply
    19,967.06x = 29,953.28 × 6,815.90
  4. Step 4: Simplify right side
    19,967.06x = 204,158,428.43
  5. Step 5: Solve for x
    x = 204,158,428.43/19,967.06
  6. Step 6: Final answer
    x = 10,224.76

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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.