Home / 19,571.28-27,008.18-11,073.44

Finding the Fourth Proportional to 19,571.28, 27,008.18 and 11,073.44

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Solution

The fourth proportional to 19,571.28, 27,008.18 and 11,073.44 is: 15,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.28 : 27,008.18 = 11,073.44 : x
  2. Step 2: Convert to fraction form
    19,571.28/27,008.18 = 11,073.44/x
  3. Step 3: Cross multiply
    19,571.28x = 27,008.18 × 11,073.44
  4. Step 4: Simplify right side
    19,571.28x = 299,073,460.74
  5. Step 5: Solve for x
    x = 299,073,460.74/19,571.28
  6. Step 6: Final answer
    x = 15,281.24

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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.