Home / 21,523.30-32,279.81-9,043.56

Finding the Fourth Proportional to 21,523.30, 32,279.81 and 9,043.56

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Solution

The fourth proportional to 21,523.30, 32,279.81 and 9,043.56 is: 13,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.30 : 32,279.81 = 9,043.56 : x
  2. Step 2: Convert to fraction form
    21,523.30/32,279.81 = 9,043.56/x
  3. Step 3: Cross multiply
    21,523.30x = 32,279.81 × 9,043.56
  4. Step 4: Simplify right side
    21,523.30x = 291,924,398.52
  5. Step 5: Solve for x
    x = 291,924,398.52/21,523.30
  6. Step 6: Final answer
    x = 13,563.18

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1.5x scale

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.