Home / 15,800.85-23,700.15-5,939.37

Finding the Fourth Proportional to 15,800.85, 23,700.15 and 5,939.37

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Solution

The fourth proportional to 15,800.85, 23,700.15 and 5,939.37 is: 8,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.85 : 23,700.15 = 5,939.37 : x
  2. Step 2: Convert to fraction form
    15,800.85/23,700.15 = 5,939.37/x
  3. Step 3: Cross multiply
    15,800.85x = 23,700.15 × 5,939.37
  4. Step 4: Simplify right side
    15,800.85x = 140,763,959.91
  5. Step 5: Solve for x
    x = 140,763,959.91/15,800.85
  6. Step 6: Final answer
    x = 8,908.63

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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.