Home / 21,023.87-29,012.91-11,592.46

Finding the Fourth Proportional to 21,023.87, 29,012.91 and 11,592.46

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Solution

The fourth proportional to 21,023.87, 29,012.91 and 11,592.46 is: 15,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.87 : 29,012.91 = 11,592.46 : x
  2. Step 2: Convert to fraction form
    21,023.87/29,012.91 = 11,592.46/x
  3. Step 3: Cross multiply
    21,023.87x = 29,012.91 × 11,592.46
  4. Step 4: Simplify right side
    21,023.87x = 336,330,853.59
  5. Step 5: Solve for x
    x = 336,330,853.59/21,023.87
  6. Step 6: Final answer
    x = 15,997.57

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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.