Home / 16,470.14-22,728.74-8,916.48

Finding the Fourth Proportional to 16,470.14, 22,728.74 and 8,916.48

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Solution

The fourth proportional to 16,470.14, 22,728.74 and 8,916.48 is: 12,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.14 : 22,728.74 = 8,916.48 : x
  2. Step 2: Convert to fraction form
    16,470.14/22,728.74 = 8,916.48/x
  3. Step 3: Cross multiply
    16,470.14x = 22,728.74 × 8,916.48
  4. Step 4: Simplify right side
    16,470.14x = 202,660,311.05
  5. Step 5: Solve for x
    x = 202,660,311.05/16,470.14
  6. Step 6: Final answer
    x = 12,304.71

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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.