Home / 15,279.84-22,919.78-4,186.63

Finding the Fourth Proportional to 15,279.84, 22,919.78 and 4,186.63

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Solution

The fourth proportional to 15,279.84, 22,919.78 and 4,186.63 is: 6,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.84 : 22,919.78 = 4,186.63 : x
  2. Step 2: Convert to fraction form
    15,279.84/22,919.78 = 4,186.63/x
  3. Step 3: Cross multiply
    15,279.84x = 22,919.78 × 4,186.63
  4. Step 4: Simplify right side
    15,279.84x = 95,956,523.94
  5. Step 5: Solve for x
    x = 95,956,523.94/15,279.84
  6. Step 6: Final answer
    x = 6,279.94

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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.