Home / 22,221.02-33,302.91-10,508.42

Finding the Fourth Proportional to 22,221.02, 33,302.91 and 10,508.42

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Solution

The fourth proportional to 22,221.02, 33,302.91 and 10,508.42 is: 15,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.02 : 33,302.91 = 10,508.42 : x
  2. Step 2: Convert to fraction form
    22,221.02/33,302.91 = 10,508.42/x
  3. Step 3: Cross multiply
    22,221.02x = 33,302.91 × 10,508.42
  4. Step 4: Simplify right side
    22,221.02x = 349,960,965.50
  5. Step 5: Solve for x
    x = 349,960,965.50/22,221.02
  6. Step 6: Final answer
    x = 15,749.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.