Home / 21,619.41-32,427.95-6,626.52

Finding the Fourth Proportional to 21,619.41, 32,427.95 and 6,626.52

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Solution

The fourth proportional to 21,619.41, 32,427.95 and 6,626.52 is: 9,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.41 : 32,427.95 = 6,626.52 : x
  2. Step 2: Convert to fraction form
    21,619.41/32,427.95 = 6,626.52/x
  3. Step 3: Cross multiply
    21,619.41x = 32,427.95 × 6,626.52
  4. Step 4: Simplify right side
    21,619.41x = 214,884,426.10
  5. Step 5: Solve for x
    x = 214,884,426.10/21,619.41
  6. Step 6: Final answer
    x = 9,939.42

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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.