Home / 14,901.03-20,563.78-8,187.09

Finding the Fourth Proportional to 14,901.03, 20,563.78 and 8,187.09

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Solution

The fourth proportional to 14,901.03, 20,563.78 and 8,187.09 is: 11,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.03 : 20,563.78 = 8,187.09 : x
  2. Step 2: Convert to fraction form
    14,901.03/20,563.78 = 8,187.09/x
  3. Step 3: Cross multiply
    14,901.03x = 20,563.78 × 8,187.09
  4. Step 4: Simplify right side
    14,901.03x = 168,357,517.60
  5. Step 5: Solve for x
    x = 168,357,517.60/14,901.03
  6. Step 6: Final answer
    x = 11,298.38

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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.