Home / 14,916.66-20,584.51-8,201.65

Finding the Fourth Proportional to 14,916.66, 20,584.51 and 8,201.65

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Solution

The fourth proportional to 14,916.66, 20,584.51 and 8,201.65 is: 11,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.66 : 20,584.51 = 8,201.65 : x
  2. Step 2: Convert to fraction form
    14,916.66/20,584.51 = 8,201.65/x
  3. Step 3: Cross multiply
    14,916.66x = 20,584.51 × 8,201.65
  4. Step 4: Simplify right side
    14,916.66x = 168,826,946.44
  5. Step 5: Solve for x
    x = 168,826,946.44/14,916.66
  6. Step 6: Final answer
    x = 11,318.01

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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.