Home / 14,491.08-21,736.62-7,913.68

Finding the Fourth Proportional to 14,491.08, 21,736.62 and 7,913.68

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Solution

The fourth proportional to 14,491.08, 21,736.62 and 7,913.68 is: 11,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.08 : 21,736.62 = 7,913.68 : x
  2. Step 2: Convert to fraction form
    14,491.08/21,736.62 = 7,913.68/x
  3. Step 3: Cross multiply
    14,491.08x = 21,736.62 × 7,913.68
  4. Step 4: Simplify right side
    14,491.08x = 172,016,600.62
  5. Step 5: Solve for x
    x = 172,016,600.62/14,491.08
  6. Step 6: Final answer
    x = 11,870.52

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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.