Home / 22,741.05-31,382.19-12,669.47

Finding the Fourth Proportional to 22,741.05, 31,382.19 and 12,669.47

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Solution

The fourth proportional to 22,741.05, 31,382.19 and 12,669.47 is: 17,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,741.05 : 31,382.19 = 12,669.47 : x
  2. Step 2: Convert to fraction form
    22,741.05/31,382.19 = 12,669.47/x
  3. Step 3: Cross multiply
    22,741.05x = 31,382.19 × 12,669.47
  4. Step 4: Simplify right side
    22,741.05x = 397,595,557.83
  5. Step 5: Solve for x
    x = 397,595,557.83/22,741.05
  6. Step 6: Final answer
    x = 17,483.61

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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.