Home / 14,449.31-21,686.26-5,690.37

Finding the Fourth Proportional to 14,449.31, 21,686.26 and 5,690.37

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Solution

The fourth proportional to 14,449.31, 21,686.26 and 5,690.37 is: 8,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.31 : 21,686.26 = 5,690.37 : x
  2. Step 2: Convert to fraction form
    14,449.31/21,686.26 = 5,690.37/x
  3. Step 3: Cross multiply
    14,449.31x = 21,686.26 × 5,690.37
  4. Step 4: Simplify right side
    14,449.31x = 123,402,829.09
  5. Step 5: Solve for x
    x = 123,402,829.09/14,449.31
  6. Step 6: Final answer
    x = 8,540.40

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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.