Home / 20,802.06-31,203.30-6,011.10

Finding the Fourth Proportional to 20,802.06, 31,203.30 and 6,011.10

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Solution

The fourth proportional to 20,802.06, 31,203.30 and 6,011.10 is: 9,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.06 : 31,203.30 = 6,011.10 : x
  2. Step 2: Convert to fraction form
    20,802.06/31,203.30 = 6,011.10/x
  3. Step 3: Cross multiply
    20,802.06x = 31,203.30 × 6,011.10
  4. Step 4: Simplify right side
    20,802.06x = 187,566,156.63
  5. Step 5: Solve for x
    x = 187,566,156.63/20,802.06
  6. Step 6: Final answer
    x = 9,016.71

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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.