Home / 14,900.97-20,563.71-8,187.04

Finding the Fourth Proportional to 14,900.97, 20,563.71 and 8,187.04

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Solution

The fourth proportional to 14,900.97, 20,563.71 and 8,187.04 is: 11,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.97 : 20,563.71 = 8,187.04 : x
  2. Step 2: Convert to fraction form
    14,900.97/20,563.71 = 8,187.04/x
  3. Step 3: Cross multiply
    14,900.97x = 20,563.71 × 8,187.04
  4. Step 4: Simplify right side
    14,900.97x = 168,355,795.65
  5. Step 5: Solve for x
    x = 168,355,795.65/14,900.97
  6. Step 6: Final answer
    x = 11,298.31

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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.