Home / 14,956.36-20,639.53-8,582.69

Finding the Fourth Proportional to 14,956.36, 20,639.53 and 8,582.69

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Solution

The fourth proportional to 14,956.36, 20,639.53 and 8,582.69 is: 11,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.36 : 20,639.53 = 8,582.69 : x
  2. Step 2: Convert to fraction form
    14,956.36/20,639.53 = 8,582.69/x
  3. Step 3: Cross multiply
    14,956.36x = 20,639.53 × 8,582.69
  4. Step 4: Simplify right side
    14,956.36x = 177,142,687.74
  5. Step 5: Solve for x
    x = 177,142,687.74/14,956.36
  6. Step 6: Final answer
    x = 11,843.97

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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.