Home / 22,050.66-30,432.69-13,668.42

Finding the Fourth Proportional to 22,050.66, 30,432.69 and 13,668.42

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Solution

The fourth proportional to 22,050.66, 30,432.69 and 13,668.42 is: 18,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.66 : 30,432.69 = 13,668.42 : x
  2. Step 2: Convert to fraction form
    22,050.66/30,432.69 = 13,668.42/x
  3. Step 3: Cross multiply
    22,050.66x = 30,432.69 × 13,668.42
  4. Step 4: Simplify right side
    22,050.66x = 415,966,788.65
  5. Step 5: Solve for x
    x = 415,966,788.65/22,050.66
  6. Step 6: Final answer
    x = 18,864.14

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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.