Home / 19,573.05-29,321.79-11,681.87

Finding the Fourth Proportional to 19,573.05, 29,321.79 and 11,681.87

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Solution

The fourth proportional to 19,573.05, 29,321.79 and 11,681.87 is: 17,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.05 : 29,321.79 = 11,681.87 : x
  2. Step 2: Convert to fraction form
    19,573.05/29,321.79 = 11,681.87/x
  3. Step 3: Cross multiply
    19,573.05x = 29,321.79 × 11,681.87
  4. Step 4: Simplify right side
    19,573.05x = 342,533,338.95
  5. Step 5: Solve for x
    x = 342,533,338.95/19,573.05
  6. Step 6: Final answer
    x = 17,500.25

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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.