Home / 22,905.65-34,514.52-18,836.81

Finding the Fourth Proportional to 22,905.65, 34,514.52 and 18,836.81

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Solution

The fourth proportional to 22,905.65, 34,514.52 and 18,836.81 is: 28,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.65 : 34,514.52 = 18,836.81 : x
  2. Step 2: Convert to fraction form
    22,905.65/34,514.52 = 18,836.81/x
  3. Step 3: Cross multiply
    22,905.65x = 34,514.52 × 18,836.81
  4. Step 4: Simplify right side
    22,905.65x = 650,143,282.91
  5. Step 5: Solve for x
    x = 650,143,282.91/22,905.65
  6. Step 6: Final answer
    x = 28,383.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.