Home / 21,748.70-32,635.20-9,266.60

Finding the Fourth Proportional to 21,748.70, 32,635.20 and 9,266.60

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Solution

The fourth proportional to 21,748.70, 32,635.20 and 9,266.60 is: 13,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.70 : 32,635.20 = 9,266.60 : x
  2. Step 2: Convert to fraction form
    21,748.70/32,635.20 = 9,266.60/x
  3. Step 3: Cross multiply
    21,748.70x = 32,635.20 × 9,266.60
  4. Step 4: Simplify right side
    21,748.70x = 302,417,344.32
  5. Step 5: Solve for x
    x = 302,417,344.32/21,748.70
  6. Step 6: Final answer
    x = 13,905.08

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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.