Home / 35,505.78-53,258.67-12,132.42

Finding the Fourth Proportional to 35,505.78, 53,258.67 and 12,132.42

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Solution

The fourth proportional to 35,505.78, 53,258.67 and 12,132.42 is: 18,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.78 : 53,258.67 = 12,132.42 : x
  2. Step 2: Convert to fraction form
    35,505.78/53,258.67 = 12,132.42/x
  3. Step 3: Cross multiply
    35,505.78x = 53,258.67 × 12,132.42
  4. Step 4: Simplify right side
    35,505.78x = 646,156,553.08
  5. Step 5: Solve for x
    x = 646,156,553.08/35,505.78
  6. Step 6: Final answer
    x = 18,198.63

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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.