Home / 21,468.58-32,212.05-11,087.62

Finding the Fourth Proportional to 21,468.58, 32,212.05 and 11,087.62

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Solution

The fourth proportional to 21,468.58, 32,212.05 and 11,087.62 is: 16,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.58 : 32,212.05 = 11,087.62 : x
  2. Step 2: Convert to fraction form
    21,468.58/32,212.05 = 11,087.62/x
  3. Step 3: Cross multiply
    21,468.58x = 32,212.05 × 11,087.62
  4. Step 4: Simplify right side
    21,468.58x = 357,154,969.82
  5. Step 5: Solve for x
    x = 357,154,969.82/21,468.58
  6. Step 6: Final answer
    x = 16,636.17

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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.