Home / 17,489.21-26,237.56-5,643.66

Finding the Fourth Proportional to 17,489.21, 26,237.56 and 5,643.66

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Solution

The fourth proportional to 17,489.21, 26,237.56 and 5,643.66 is: 8,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.21 : 26,237.56 = 5,643.66 : x
  2. Step 2: Convert to fraction form
    17,489.21/26,237.56 = 5,643.66/x
  3. Step 3: Cross multiply
    17,489.21x = 26,237.56 × 5,643.66
  4. Step 4: Simplify right side
    17,489.21x = 148,075,867.87
  5. Step 5: Solve for x
    x = 148,075,867.87/17,489.21
  6. Step 6: Final answer
    x = 8,466.70

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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.