Home / 29,112.18-43,631.74-12,452.63

Finding the Fourth Proportional to 29,112.18, 43,631.74 and 12,452.63

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Solution

The fourth proportional to 29,112.18, 43,631.74 and 12,452.63 is: 18,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.18 : 43,631.74 = 12,452.63 : x
  2. Step 2: Convert to fraction form
    29,112.18/43,631.74 = 12,452.63/x
  3. Step 3: Cross multiply
    29,112.18x = 43,631.74 × 12,452.63
  4. Step 4: Simplify right side
    29,112.18x = 543,329,914.48
  5. Step 5: Solve for x
    x = 543,329,914.48/29,112.18
  6. Step 6: Final answer
    x = 18,663.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.