Home / 29,220.36-43,799.10-12,588.22

Finding the Fourth Proportional to 29,220.36, 43,799.10 and 12,588.22

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Solution

The fourth proportional to 29,220.36, 43,799.10 and 12,588.22 is: 18,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.36 : 43,799.10 = 12,588.22 : x
  2. Step 2: Convert to fraction form
    29,220.36/43,799.10 = 12,588.22/x
  3. Step 3: Cross multiply
    29,220.36x = 43,799.10 × 12,588.22
  4. Step 4: Simplify right side
    29,220.36x = 551,352,714.15
  5. Step 5: Solve for x
    x = 551,352,714.15/29,220.36
  6. Step 6: Final answer
    x = 18,868.79

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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.