Home / 17,819.87-24,588.06-12,079.60

Finding the Fourth Proportional to 17,819.87, 24,588.06 and 12,079.60

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Solution

The fourth proportional to 17,819.87, 24,588.06 and 12,079.60 is: 16,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.87 : 24,588.06 = 12,079.60 : x
  2. Step 2: Convert to fraction form
    17,819.87/24,588.06 = 12,079.60/x
  3. Step 3: Cross multiply
    17,819.87x = 24,588.06 × 12,079.60
  4. Step 4: Simplify right side
    17,819.87x = 297,013,929.58
  5. Step 5: Solve for x
    x = 297,013,929.58/17,819.87
  6. Step 6: Final answer
    x = 16,667.57

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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.