Home / 22,289.13-30,703.23-16,974.72

Finding the Fourth Proportional to 22,289.13, 30,703.23 and 16,974.72

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Solution

The fourth proportional to 22,289.13, 30,703.23 and 16,974.72 is: 23,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.13 : 30,703.23 = 16,974.72 : x
  2. Step 2: Convert to fraction form
    22,289.13/30,703.23 = 16,974.72/x
  3. Step 3: Cross multiply
    22,289.13x = 30,703.23 × 16,974.72
  4. Step 4: Simplify right side
    22,289.13x = 521,178,732.35
  5. Step 5: Solve for x
    x = 521,178,732.35/22,289.13
  6. Step 6: Final answer
    x = 23,382.64

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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.