Home / 29,076.24-40,128.84-16,505.04

Finding the Fourth Proportional to 29,076.24, 40,128.84 and 16,505.04

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Solution

The fourth proportional to 29,076.24, 40,128.84 and 16,505.04 is: 22,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076.24 : 40,128.84 = 16,505.04 : x
  2. Step 2: Convert to fraction form
    29,076.24/40,128.84 = 16,505.04/x
  3. Step 3: Cross multiply
    29,076.24x = 40,128.84 × 16,505.04
  4. Step 4: Simplify right side
    29,076.24x = 662,328,109.35
  5. Step 5: Solve for x
    x = 662,328,109.35/29,076.24
  6. Step 6: Final answer
    x = 22,779.02

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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.