Home / 19,942.88-29,895.28-7,459.52

Finding the Fourth Proportional to 19,942.88, 29,895.28 and 7,459.52

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Solution

The fourth proportional to 19,942.88, 29,895.28 and 7,459.52 is: 11,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.88 : 29,895.28 = 7,459.52 : x
  2. Step 2: Convert to fraction form
    19,942.88/29,895.28 = 7,459.52/x
  3. Step 3: Cross multiply
    19,942.88x = 29,895.28 × 7,459.52
  4. Step 4: Simplify right side
    19,942.88x = 223,004,439.07
  5. Step 5: Solve for x
    x = 223,004,439.07/19,942.88
  6. Step 6: Final answer
    x = 11,182.16

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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.