Home / 22,690.91-34,036.38-7,109.75

Finding the Fourth Proportional to 22,690.91, 34,036.38 and 7,109.75

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Solution

The fourth proportional to 22,690.91, 34,036.38 and 7,109.75 is: 10,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.91 : 34,036.38 = 7,109.75 : x
  2. Step 2: Convert to fraction form
    22,690.91/34,036.38 = 7,109.75/x
  3. Step 3: Cross multiply
    22,690.91x = 34,036.38 × 7,109.75
  4. Step 4: Simplify right side
    22,690.91x = 241,990,152.71
  5. Step 5: Solve for x
    x = 241,990,152.71/22,690.91
  6. Step 6: Final answer
    x = 10,664.63

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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.