Home / 20,006.19-29,988.63-6,855.03

Finding the Fourth Proportional to 20,006.19, 29,988.63 and 6,855.03

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Solution

The fourth proportional to 20,006.19, 29,988.63 and 6,855.03 is: 10,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.19 : 29,988.63 = 6,855.03 : x
  2. Step 2: Convert to fraction form
    20,006.19/29,988.63 = 6,855.03/x
  3. Step 3: Cross multiply
    20,006.19x = 29,988.63 × 6,855.03
  4. Step 4: Simplify right side
    20,006.19x = 205,572,958.31
  5. Step 5: Solve for x
    x = 205,572,958.31/20,006.19
  6. Step 6: Final answer
    x = 10,275.47

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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.