Home / 19,994.82-29,949-10,110.66

Finding the Fourth Proportional to 19,994.82, 29,949 and 10,110.66

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Solution

The fourth proportional to 19,994.82, 29,949 and 10,110.66 is: 15,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.82 : 29,949 = 10,110.66 : x
  2. Step 2: Convert to fraction form
    19,994.82/29,949 = 10,110.66/x
  3. Step 3: Cross multiply
    19,994.82x = 29,949 × 10,110.66
  4. Step 4: Simplify right side
    19,994.82x = 302,804,156.34
  5. Step 5: Solve for x
    x = 302,804,156.34/19,994.82
  6. Step 6: Final answer
    x = 15,144.13

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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.