Home / 22,021.32-30,414.67-14,501.28

Finding the Fourth Proportional to 22,021.32, 30,414.67 and 14,501.28

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Solution

The fourth proportional to 22,021.32, 30,414.67 and 14,501.28 is: 20,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.32 : 30,414.67 = 14,501.28 : x
  2. Step 2: Convert to fraction form
    22,021.32/30,414.67 = 14,501.28/x
  3. Step 3: Cross multiply
    22,021.32x = 30,414.67 × 14,501.28
  4. Step 4: Simplify right side
    22,021.32x = 441,051,645.78
  5. Step 5: Solve for x
    x = 441,051,645.78/22,021.32
  6. Step 6: Final answer
    x = 20,028.39

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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.