Home / 22,029.09-30,400.29-11,957.70

Finding the Fourth Proportional to 22,029.09, 30,400.29 and 11,957.70

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Solution

The fourth proportional to 22,029.09, 30,400.29 and 11,957.70 is: 16,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.09 : 30,400.29 = 11,957.70 : x
  2. Step 2: Convert to fraction form
    22,029.09/30,400.29 = 11,957.70/x
  3. Step 3: Cross multiply
    22,029.09x = 30,400.29 × 11,957.70
  4. Step 4: Simplify right side
    22,029.09x = 363,517,547.73
  5. Step 5: Solve for x
    x = 363,517,547.73/22,029.09
  6. Step 6: Final answer
    x = 16,501.71

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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.