Home / 14,036.92-19,369.38-7,747.72

Finding the Fourth Proportional to 14,036.92, 19,369.38 and 7,747.72

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Solution

The fourth proportional to 14,036.92, 19,369.38 and 7,747.72 is: 10,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.92 : 19,369.38 = 7,747.72 : x
  2. Step 2: Convert to fraction form
    14,036.92/19,369.38 = 7,747.72/x
  3. Step 3: Cross multiply
    14,036.92x = 19,369.38 × 7,747.72
  4. Step 4: Simplify right side
    14,036.92x = 150,068,532.81
  5. Step 5: Solve for x
    x = 150,068,532.81/14,036.92
  6. Step 6: Final answer
    x = 10,690.99

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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.