Home / 29,985.80-41,380.13-16,556.76

Finding the Fourth Proportional to 29,985.80, 41,380.13 and 16,556.76

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Solution

The fourth proportional to 29,985.80, 41,380.13 and 16,556.76 is: 22,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.80 : 41,380.13 = 16,556.76 : x
  2. Step 2: Convert to fraction form
    29,985.80/41,380.13 = 16,556.76/x
  3. Step 3: Cross multiply
    29,985.80x = 41,380.13 × 16,556.76
  4. Step 4: Simplify right side
    29,985.80x = 685,120,881.18
  5. Step 5: Solve for x
    x = 685,120,881.18/29,985.80
  6. Step 6: Final answer
    x = 22,848.18

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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.