Home / 14,119.14-21,178.71-3,589.95

Finding the Fourth Proportional to 14,119.14, 21,178.71 and 3,589.95

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Solution

The fourth proportional to 14,119.14, 21,178.71 and 3,589.95 is: 5,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.14 : 21,178.71 = 3,589.95 : x
  2. Step 2: Convert to fraction form
    14,119.14/21,178.71 = 3,589.95/x
  3. Step 3: Cross multiply
    14,119.14x = 21,178.71 × 3,589.95
  4. Step 4: Simplify right side
    14,119.14x = 76,030,509.96
  5. Step 5: Solve for x
    x = 76,030,509.96/14,119.14
  6. Step 6: Final answer
    x = 5,384.93

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Half scale
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Double scale
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Similar ratio
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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.