Home / 19,561.08-29,357.40-10,203.96

Finding the Fourth Proportional to 19,561.08, 29,357.40 and 10,203.96

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Solution

The fourth proportional to 19,561.08, 29,357.40 and 10,203.96 is: 15,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.08 : 29,357.40 = 10,203.96 : x
  2. Step 2: Convert to fraction form
    19,561.08/29,357.40 = 10,203.96/x
  3. Step 3: Cross multiply
    19,561.08x = 29,357.40 × 10,203.96
  4. Step 4: Simplify right side
    19,561.08x = 299,561,735.30
  5. Step 5: Solve for x
    x = 299,561,735.30/19,561.08
  6. Step 6: Final answer
    x = 15,314.17

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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.