Home / 19,760.00-27,269.55-11,263.46

Finding the Fourth Proportional to 19,760.00, 27,269.55 and 11,263.46

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Solution

The fourth proportional to 19,760.00, 27,269.55 and 11,263.46 is: 15,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.00 : 27,269.55 = 11,263.46 : x
  2. Step 2: Convert to fraction form
    19,760.00/27,269.55 = 11,263.46/x
  3. Step 3: Cross multiply
    19,760.00x = 27,269.55 × 11,263.46
  4. Step 4: Simplify right side
    19,760.00x = 307,149,349.30
  5. Step 5: Solve for x
    x = 307,149,349.30/19,760.00
  6. Step 6: Final answer
    x = 15,544.00

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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.