Home / 21,550.10-32,313.60-9,531.32

Finding the Fourth Proportional to 21,550.10, 32,313.60 and 9,531.32

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Solution

The fourth proportional to 21,550.10, 32,313.60 and 9,531.32 is: 14,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.10 : 32,313.60 = 9,531.32 : x
  2. Step 2: Convert to fraction form
    21,550.10/32,313.60 = 9,531.32/x
  3. Step 3: Cross multiply
    21,550.10x = 32,313.60 × 9,531.32
  4. Step 4: Simplify right side
    21,550.10x = 307,991,100.38
  5. Step 5: Solve for x
    x = 307,991,100.38/21,550.10
  6. Step 6: Final answer
    x = 14,291.87

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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.