Home / 14,187.18-21,266.83-5,295.99

Finding the Fourth Proportional to 14,187.18, 21,266.83 and 5,295.99

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Solution

The fourth proportional to 14,187.18, 21,266.83 and 5,295.99 is: 7,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.18 : 21,266.83 = 5,295.99 : x
  2. Step 2: Convert to fraction form
    14,187.18/21,266.83 = 5,295.99/x
  3. Step 3: Cross multiply
    14,187.18x = 21,266.83 × 5,295.99
  4. Step 4: Simplify right side
    14,187.18x = 112,628,919.01
  5. Step 5: Solve for x
    x = 112,628,919.01/14,187.18
  6. Step 6: Final answer
    x = 7,938.78

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1.5x scale

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.