Home / 21,023.34-29,012.13-11,592.42

Finding the Fourth Proportional to 21,023.34, 29,012.13 and 11,592.42

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Solution

The fourth proportional to 21,023.34, 29,012.13 and 11,592.42 is: 15,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.34 : 29,012.13 = 11,592.42 : x
  2. Step 2: Convert to fraction form
    21,023.34/29,012.13 = 11,592.42/x
  3. Step 3: Cross multiply
    21,023.34x = 29,012.13 × 11,592.42
  4. Step 4: Simplify right side
    21,023.34x = 336,320,796.05
  5. Step 5: Solve for x
    x = 336,320,796.05/21,023.34
  6. Step 6: Final answer
    x = 15,997.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.