Home / 29,505.12-40,714.56-16,929.60

Finding the Fourth Proportional to 29,505.12, 40,714.56 and 16,929.60

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Solution

The fourth proportional to 29,505.12, 40,714.56 and 16,929.60 is: 23,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,505.12 : 40,714.56 = 16,929.60 : x
  2. Step 2: Convert to fraction form
    29,505.12/40,714.56 = 16,929.60/x
  3. Step 3: Cross multiply
    29,505.12x = 40,714.56 × 16,929.60
  4. Step 4: Simplify right side
    29,505.12x = 689,281,214.98
  5. Step 5: Solve for x
    x = 689,281,214.98/29,505.12
  6. Step 6: Final answer
    x = 23,361.41

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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.