Home / 29,435.14-40,611.48-16,686.28

Finding the Fourth Proportional to 29,435.14, 40,611.48 and 16,686.28

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Solution

The fourth proportional to 29,435.14, 40,611.48 and 16,686.28 is: 23,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.14 : 40,611.48 = 16,686.28 : x
  2. Step 2: Convert to fraction form
    29,435.14/40,611.48 = 16,686.28/x
  3. Step 3: Cross multiply
    29,435.14x = 40,611.48 × 16,686.28
  4. Step 4: Simplify right side
    29,435.14x = 677,654,526.49
  5. Step 5: Solve for x
    x = 677,654,526.49/29,435.14
  6. Step 6: Final answer
    x = 23,021.96

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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.