Home / 22,029.63-30,400.79-11,957.99

Finding the Fourth Proportional to 22,029.63, 30,400.79 and 11,957.99

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Solution

The fourth proportional to 22,029.63, 30,400.79 and 11,957.99 is: 16,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.63 : 30,400.79 = 11,957.99 : x
  2. Step 2: Convert to fraction form
    22,029.63/30,400.79 = 11,957.99/x
  3. Step 3: Cross multiply
    22,029.63x = 30,400.79 × 11,957.99
  4. Step 4: Simplify right side
    22,029.63x = 363,532,220.70
  5. Step 5: Solve for x
    x = 363,532,220.70/22,029.63
  6. Step 6: Final answer
    x = 16,501.97

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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.