Home / 19,251.81-26,561.93-11,591.64

Finding the Fourth Proportional to 19,251.81, 26,561.93 and 11,591.64

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Solution

The fourth proportional to 19,251.81, 26,561.93 and 11,591.64 is: 15,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.81 : 26,561.93 = 11,591.64 : x
  2. Step 2: Convert to fraction form
    19,251.81/26,561.93 = 11,591.64/x
  3. Step 3: Cross multiply
    19,251.81x = 26,561.93 × 11,591.64
  4. Step 4: Simplify right side
    19,251.81x = 307,896,272.31
  5. Step 5: Solve for x
    x = 307,896,272.31/19,251.81
  6. Step 6: Final answer
    x = 15,993.11

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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.