Home / 19,866.05-29,795.80-6,539.22

Finding the Fourth Proportional to 19,866.05, 29,795.80 and 6,539.22

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Solution

The fourth proportional to 19,866.05, 29,795.80 and 6,539.22 is: 9,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.05 : 29,795.80 = 6,539.22 : x
  2. Step 2: Convert to fraction form
    19,866.05/29,795.80 = 6,539.22/x
  3. Step 3: Cross multiply
    19,866.05x = 29,795.80 × 6,539.22
  4. Step 4: Simplify right side
    19,866.05x = 194,841,254.03
  5. Step 5: Solve for x
    x = 194,841,254.03/19,866.05
  6. Step 6: Final answer
    x = 9,807.75

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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.