Home / 29,649.60-40,914.36-16,220.57

Finding the Fourth Proportional to 29,649.60, 40,914.36 and 16,220.57

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Solution

The fourth proportional to 29,649.60, 40,914.36 and 16,220.57 is: 22,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.60 : 40,914.36 = 16,220.57 : x
  2. Step 2: Convert to fraction form
    29,649.60/40,914.36 = 16,220.57/x
  3. Step 3: Cross multiply
    29,649.60x = 40,914.36 × 16,220.57
  4. Step 4: Simplify right side
    29,649.60x = 663,654,035.81
  5. Step 5: Solve for x
    x = 663,654,035.81/29,649.60
  6. Step 6: Final answer
    x = 22,383.24

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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.