Home / 16,571.22-22,837.86-15,519.03

Finding the Fourth Proportional to 16,571.22, 22,837.86 and 15,519.03

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Solution

The fourth proportional to 16,571.22, 22,837.86 and 15,519.03 is: 21,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,571.22 : 22,837.86 = 15,519.03 : x
  2. Step 2: Convert to fraction form
    16,571.22/22,837.86 = 15,519.03/x
  3. Step 3: Cross multiply
    16,571.22x = 22,837.86 × 15,519.03
  4. Step 4: Simplify right side
    16,571.22x = 354,421,434.48
  5. Step 5: Solve for x
    x = 354,421,434.48/16,571.22
  6. Step 6: Final answer
    x = 21,387.77

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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.