Home / 16,619.13-24,928.50-4,139.28

Finding the Fourth Proportional to 16,619.13, 24,928.50 and 4,139.28

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Solution

The fourth proportional to 16,619.13, 24,928.50 and 4,139.28 is: 6,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.13 : 24,928.50 = 4,139.28 : x
  2. Step 2: Convert to fraction form
    16,619.13/24,928.50 = 4,139.28/x
  3. Step 3: Cross multiply
    16,619.13x = 24,928.50 × 4,139.28
  4. Step 4: Simplify right side
    16,619.13x = 103,186,041.48
  5. Step 5: Solve for x
    x = 103,186,041.48/16,619.13
  6. Step 6: Final answer
    x = 6,208.87

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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.