Home / 21,023.41-29,011.94-11,463.38

Finding the Fourth Proportional to 21,023.41, 29,011.94 and 11,463.38

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Solution

The fourth proportional to 21,023.41, 29,011.94 and 11,463.38 is: 15,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.41 : 29,011.94 = 11,463.38 : x
  2. Step 2: Convert to fraction form
    21,023.41/29,011.94 = 11,463.38/x
  3. Step 3: Cross multiply
    21,023.41x = 29,011.94 × 11,463.38
  4. Step 4: Simplify right side
    21,023.41x = 332,574,733.37
  5. Step 5: Solve for x
    x = 332,574,733.37/21,023.41
  6. Step 6: Final answer
    x = 15,819.26

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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.