Home / 14,707.74-20,284.92-11,874.36

Finding the Fourth Proportional to 14,707.74, 20,284.92 and 11,874.36

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Solution

The fourth proportional to 14,707.74, 20,284.92 and 11,874.36 is: 16,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.74 : 20,284.92 = 11,874.36 : x
  2. Step 2: Convert to fraction form
    14,707.74/20,284.92 = 11,874.36/x
  3. Step 3: Cross multiply
    14,707.74x = 20,284.92 × 11,874.36
  4. Step 4: Simplify right side
    14,707.74x = 240,870,442.65
  5. Step 5: Solve for x
    x = 240,870,442.65/14,707.74
  6. Step 6: Final answer
    x = 16,377.12

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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.