Home / 21,656.62-32,458.77-10,546.66

Finding the Fourth Proportional to 21,656.62, 32,458.77 and 10,546.66

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Solution

The fourth proportional to 21,656.62, 32,458.77 and 10,546.66 is: 15,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.62 : 32,458.77 = 10,546.66 : x
  2. Step 2: Convert to fraction form
    21,656.62/32,458.77 = 10,546.66/x
  3. Step 3: Cross multiply
    21,656.62x = 32,458.77 × 10,546.66
  4. Step 4: Simplify right side
    21,656.62x = 342,331,611.21
  5. Step 5: Solve for x
    x = 342,331,611.21/21,656.62
  6. Step 6: Final answer
    x = 15,807.25

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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.