Home / 35,620.98-53,431.52-12,247.43

Finding the Fourth Proportional to 35,620.98, 53,431.52 and 12,247.43

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Solution

The fourth proportional to 35,620.98, 53,431.52 and 12,247.43 is: 18,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.98 : 53,431.52 = 12,247.43 : x
  2. Step 2: Convert to fraction form
    35,620.98/53,431.52 = 12,247.43/x
  3. Step 3: Cross multiply
    35,620.98x = 53,431.52 × 12,247.43
  4. Step 4: Simplify right side
    35,620.98x = 654,398,472.60
  5. Step 5: Solve for x
    x = 654,398,472.60/35,620.98
  6. Step 6: Final answer
    x = 18,371.15

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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.