Home / 15,616.19-23,420.61-4,519.94

Finding the Fourth Proportional to 15,616.19, 23,420.61 and 4,519.94

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Solution

The fourth proportional to 15,616.19, 23,420.61 and 4,519.94 is: 6,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.19 : 23,420.61 = 4,519.94 : x
  2. Step 2: Convert to fraction form
    15,616.19/23,420.61 = 4,519.94/x
  3. Step 3: Cross multiply
    15,616.19x = 23,420.61 × 4,519.94
  4. Step 4: Simplify right side
    15,616.19x = 105,859,634.86
  5. Step 5: Solve for x
    x = 105,859,634.86/15,616.19
  6. Step 6: Final answer
    x = 6,778.84

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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.