Home / 22,159.46-30,584.03-13,207.55

Finding the Fourth Proportional to 22,159.46, 30,584.03 and 13,207.55

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Solution

The fourth proportional to 22,159.46, 30,584.03 and 13,207.55 is: 18,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.46 : 30,584.03 = 13,207.55 : x
  2. Step 2: Convert to fraction form
    22,159.46/30,584.03 = 13,207.55/x
  3. Step 3: Cross multiply
    22,159.46x = 30,584.03 × 13,207.55
  4. Step 4: Simplify right side
    22,159.46x = 403,939,886.47
  5. Step 5: Solve for x
    x = 403,939,886.47/22,159.46
  6. Step 6: Final answer
    x = 18,228.78

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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.