Home / 19,959.56-27,542.92-11,455.69

Finding the Fourth Proportional to 19,959.56, 27,542.92 and 11,455.69

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Solution

The fourth proportional to 19,959.56, 27,542.92 and 11,455.69 is: 15,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.56 : 27,542.92 = 11,455.69 : x
  2. Step 2: Convert to fraction form
    19,959.56/27,542.92 = 11,455.69/x
  3. Step 3: Cross multiply
    19,959.56x = 27,542.92 × 11,455.69
  4. Step 4: Simplify right side
    19,959.56x = 315,523,153.21
  5. Step 5: Solve for x
    x = 315,523,153.21/19,959.56
  6. Step 6: Final answer
    x = 15,808.13

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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.