Home / 29,388.40-40,556.48-16,641.25

Finding the Fourth Proportional to 29,388.40, 40,556.48 and 16,641.25

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Solution

The fourth proportional to 29,388.40, 40,556.48 and 16,641.25 is: 22,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.40 : 40,556.48 = 16,641.25 : x
  2. Step 2: Convert to fraction form
    29,388.40/40,556.48 = 16,641.25/x
  3. Step 3: Cross multiply
    29,388.40x = 40,556.48 × 16,641.25
  4. Step 4: Simplify right side
    29,388.40x = 674,910,522.80
  5. Step 5: Solve for x
    x = 674,910,522.80/29,388.40
  6. Step 6: Final answer
    x = 22,965.20

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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.