Home / 19,368.56-26,731.21-10,871.14

Finding the Fourth Proportional to 19,368.56, 26,731.21 and 10,871.14

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Solution

The fourth proportional to 19,368.56, 26,731.21 and 10,871.14 is: 15,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.56 : 26,731.21 = 10,871.14 : x
  2. Step 2: Convert to fraction form
    19,368.56/26,731.21 = 10,871.14/x
  3. Step 3: Cross multiply
    19,368.56x = 26,731.21 × 10,871.14
  4. Step 4: Simplify right side
    19,368.56x = 290,598,726.28
  5. Step 5: Solve for x
    x = 290,598,726.28/19,368.56
  6. Step 6: Final answer
    x = 15,003.63

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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.