Home / 21,658.03-32,495.36-7,619.52

Finding the Fourth Proportional to 21,658.03, 32,495.36 and 7,619.52

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Solution

The fourth proportional to 21,658.03, 32,495.36 and 7,619.52 is: 11,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.03 : 32,495.36 = 7,619.52 : x
  2. Step 2: Convert to fraction form
    21,658.03/32,495.36 = 7,619.52/x
  3. Step 3: Cross multiply
    21,658.03x = 32,495.36 × 7,619.52
  4. Step 4: Simplify right side
    21,658.03x = 247,599,045.43
  5. Step 5: Solve for x
    x = 247,599,045.43/21,658.03
  6. Step 6: Final answer
    x = 11,432.21

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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.