Home / 16,118.51-24,130.80-11,976.87

Finding the Fourth Proportional to 16,118.51, 24,130.80 and 11,976.87

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Solution

The fourth proportional to 16,118.51, 24,130.80 and 11,976.87 is: 17,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.51 : 24,130.80 = 11,976.87 : x
  2. Step 2: Convert to fraction form
    16,118.51/24,130.80 = 11,976.87/x
  3. Step 3: Cross multiply
    16,118.51x = 24,130.80 × 11,976.87
  4. Step 4: Simplify right side
    16,118.51x = 289,011,454.60
  5. Step 5: Solve for x
    x = 289,011,454.60/16,118.51
  6. Step 6: Final answer
    x = 17,930.41

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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.