Home / 22,249.90-30,652.05-15,523.30

Finding the Fourth Proportional to 22,249.90, 30,652.05 and 15,523.30

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Solution

The fourth proportional to 22,249.90, 30,652.05 and 15,523.30 is: 21,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.90 : 30,652.05 = 15,523.30 : x
  2. Step 2: Convert to fraction form
    22,249.90/30,652.05 = 15,523.30/x
  3. Step 3: Cross multiply
    22,249.90x = 30,652.05 × 15,523.30
  4. Step 4: Simplify right side
    22,249.90x = 475,820,967.77
  5. Step 5: Solve for x
    x = 475,820,967.77/22,249.90
  6. Step 6: Final answer
    x = 21,385.31

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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.