Home / 13,921.47-20,882.25-4,061.01

Finding the Fourth Proportional to 13,921.47, 20,882.25 and 4,061.01

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Solution

The fourth proportional to 13,921.47, 20,882.25 and 4,061.01 is: 6,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.47 : 20,882.25 = 4,061.01 : x
  2. Step 2: Convert to fraction form
    13,921.47/20,882.25 = 4,061.01/x
  3. Step 3: Cross multiply
    13,921.47x = 20,882.25 × 4,061.01
  4. Step 4: Simplify right side
    13,921.47x = 84,803,026.07
  5. Step 5: Solve for x
    x = 84,803,026.07/13,921.47
  6. Step 6: Final answer
    x = 6,091.53

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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.