Home / 21,491.55-32,220.59-10,241.01

Finding the Fourth Proportional to 21,491.55, 32,220.59 and 10,241.01

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Solution

The fourth proportional to 21,491.55, 32,220.59 and 10,241.01 is: 15,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.55 : 32,220.59 = 10,241.01 : x
  2. Step 2: Convert to fraction form
    21,491.55/32,220.59 = 10,241.01/x
  3. Step 3: Cross multiply
    21,491.55x = 32,220.59 × 10,241.01
  4. Step 4: Simplify right side
    21,491.55x = 329,971,333.19
  5. Step 5: Solve for x
    x = 329,971,333.19/21,491.55
  6. Step 6: Final answer
    x = 15,353.54

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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.