Home / 20,550.01-28,359.03-14,266.03

Finding the Fourth Proportional to 20,550.01, 28,359.03 and 14,266.03

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Solution

The fourth proportional to 20,550.01, 28,359.03 and 14,266.03 is: 19,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.01 : 28,359.03 = 14,266.03 : x
  2. Step 2: Convert to fraction form
    20,550.01/28,359.03 = 14,266.03/x
  3. Step 3: Cross multiply
    20,550.01x = 28,359.03 × 14,266.03
  4. Step 4: Simplify right side
    20,550.01x = 404,570,772.75
  5. Step 5: Solve for x
    x = 404,570,772.75/20,550.01
  6. Step 6: Final answer
    x = 19,687.13

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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.