Home / 17,806.74-26,702.51-5,326.56

Finding the Fourth Proportional to 17,806.74, 26,702.51 and 5,326.56

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Solution

The fourth proportional to 17,806.74, 26,702.51 and 5,326.56 is: 7,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.74 : 26,702.51 = 5,326.56 : x
  2. Step 2: Convert to fraction form
    17,806.74/26,702.51 = 5,326.56/x
  3. Step 3: Cross multiply
    17,806.74x = 26,702.51 × 5,326.56
  4. Step 4: Simplify right side
    17,806.74x = 142,232,524.99
  5. Step 5: Solve for x
    x = 142,232,524.99/17,806.74
  6. Step 6: Final answer
    x = 7,987.57

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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.