Home / 21,356.26-32,031.10-7,313.03

Finding the Fourth Proportional to 21,356.26, 32,031.10 and 7,313.03

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Solution

The fourth proportional to 21,356.26, 32,031.10 and 7,313.03 is: 10,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.26 : 32,031.10 = 7,313.03 : x
  2. Step 2: Convert to fraction form
    21,356.26/32,031.10 = 7,313.03/x
  3. Step 3: Cross multiply
    21,356.26x = 32,031.10 × 7,313.03
  4. Step 4: Simplify right side
    21,356.26x = 234,244,503.37
  5. Step 5: Solve for x
    x = 234,244,503.37/21,356.26
  6. Step 6: Final answer
    x = 10,968.42

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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.