Home / 19,837.77-29,756.75-6,690.26

Finding the Fourth Proportional to 19,837.77, 29,756.75 and 6,690.26

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Solution

The fourth proportional to 19,837.77, 29,756.75 and 6,690.26 is: 10,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.77 : 29,756.75 = 6,690.26 : x
  2. Step 2: Convert to fraction form
    19,837.77/29,756.75 = 6,690.26/x
  3. Step 3: Cross multiply
    19,837.77x = 29,756.75 × 6,690.26
  4. Step 4: Simplify right side
    19,837.77x = 199,080,212.02
  5. Step 5: Solve for x
    x = 199,080,212.02/19,837.77
  6. Step 6: Final answer
    x = 10,035.41

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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.