Home / 18,336.85-25,295.15-11,620.06

Finding the Fourth Proportional to 18,336.85, 25,295.15 and 11,620.06

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Solution

The fourth proportional to 18,336.85, 25,295.15 and 11,620.06 is: 16,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.85 : 25,295.15 = 11,620.06 : x
  2. Step 2: Convert to fraction form
    18,336.85/25,295.15 = 11,620.06/x
  3. Step 3: Cross multiply
    18,336.85x = 25,295.15 × 11,620.06
  4. Step 4: Simplify right side
    18,336.85x = 293,931,126.52
  5. Step 5: Solve for x
    x = 293,931,126.52/18,336.85
  6. Step 6: Final answer
    x = 16,029.53

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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.