Home / 22,771.36-33,928.09-21,498.12

Finding the Fourth Proportional to 22,771.36, 33,928.09 and 21,498.12

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Solution

The fourth proportional to 22,771.36, 33,928.09 and 21,498.12 is: 32,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.36 : 33,928.09 = 21,498.12 : x
  2. Step 2: Convert to fraction form
    22,771.36/33,928.09 = 21,498.12/x
  3. Step 3: Cross multiply
    22,771.36x = 33,928.09 × 21,498.12
  4. Step 4: Simplify right side
    22,771.36x = 729,390,061.49
  5. Step 5: Solve for x
    x = 729,390,061.49/22,771.36
  6. Step 6: Final answer
    x = 32,031.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.