Home / 21,695.67-32,509.85-15,045.14

Finding the Fourth Proportional to 21,695.67, 32,509.85 and 15,045.14

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Solution

The fourth proportional to 21,695.67, 32,509.85 and 15,045.14 is: 22,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.67 : 32,509.85 = 15,045.14 : x
  2. Step 2: Convert to fraction form
    21,695.67/32,509.85 = 15,045.14/x
  3. Step 3: Cross multiply
    21,695.67x = 32,509.85 × 15,045.14
  4. Step 4: Simplify right side
    21,695.67x = 489,115,250.68
  5. Step 5: Solve for x
    x = 489,115,250.68/21,695.67
  6. Step 6: Final answer
    x = 22,544.37

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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.