Home / 21,581.62-32,358.58-14,899.39

Finding the Fourth Proportional to 21,581.62, 32,358.58 and 14,899.39

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Solution

The fourth proportional to 21,581.62, 32,358.58 and 14,899.39 is: 22,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.62 : 32,358.58 = 14,899.39 : x
  2. Step 2: Convert to fraction form
    21,581.62/32,358.58 = 14,899.39/x
  3. Step 3: Cross multiply
    21,581.62x = 32,358.58 × 14,899.39
  4. Step 4: Simplify right side
    21,581.62x = 482,122,985.12
  5. Step 5: Solve for x
    x = 482,122,985.12/21,581.62
  6. Step 6: Final answer
    x = 22,339.52

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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.