Home / 19,943.68-27,523.20-11,564.80

Finding the Fourth Proportional to 19,943.68, 27,523.20 and 11,564.80

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Solution

The fourth proportional to 19,943.68, 27,523.20 and 11,564.80 is: 15,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.68 : 27,523.20 = 11,564.80 : x
  2. Step 2: Convert to fraction form
    19,943.68/27,523.20 = 11,564.80/x
  3. Step 3: Cross multiply
    19,943.68x = 27,523.20 × 11,564.80
  4. Step 4: Simplify right side
    19,943.68x = 318,300,303.36
  5. Step 5: Solve for x
    x = 318,300,303.36/19,943.68
  6. Step 6: Final answer
    x = 15,959.96

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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.