Home / 22,531.05-33,750.45-12,649.59

Finding the Fourth Proportional to 22,531.05, 33,750.45 and 12,649.59

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Solution

The fourth proportional to 22,531.05, 33,750.45 and 12,649.59 is: 18,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.05 : 33,750.45 = 12,649.59 : x
  2. Step 2: Convert to fraction form
    22,531.05/33,750.45 = 12,649.59/x
  3. Step 3: Cross multiply
    22,531.05x = 33,750.45 × 12,649.59
  4. Step 4: Simplify right side
    22,531.05x = 426,929,354.82
  5. Step 5: Solve for x
    x = 426,929,354.82/22,531.05
  6. Step 6: Final answer
    x = 18,948.49

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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.