Home / 13,945.91-20,922.16-4,585.95

Finding the Fourth Proportional to 13,945.91, 20,922.16 and 4,585.95

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Solution

The fourth proportional to 13,945.91, 20,922.16 and 4,585.95 is: 6,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.91 : 20,922.16 = 4,585.95 : x
  2. Step 2: Convert to fraction form
    13,945.91/20,922.16 = 4,585.95/x
  3. Step 3: Cross multiply
    13,945.91x = 20,922.16 × 4,585.95
  4. Step 4: Simplify right side
    13,945.91x = 95,947,979.65
  5. Step 5: Solve for x
    x = 95,947,979.65/13,945.91
  6. Step 6: Final answer
    x = 6,880.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.