Home / 19,959.09-27,543.15-11,007.42

Finding the Fourth Proportional to 19,959.09, 27,543.15 and 11,007.42

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Solution

The fourth proportional to 19,959.09, 27,543.15 and 11,007.42 is: 15,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.09 : 27,543.15 = 11,007.42 : x
  2. Step 2: Convert to fraction form
    19,959.09/27,543.15 = 11,007.42/x
  3. Step 3: Cross multiply
    19,959.09x = 27,543.15 × 11,007.42
  4. Step 4: Simplify right side
    19,959.09x = 303,178,916.89
  5. Step 5: Solve for x
    x = 303,178,916.89/19,959.09
  6. Step 6: Final answer
    x = 15,190.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.