Home / 22,188.38-30,567.94-15,461.81

Finding the Fourth Proportional to 22,188.38, 30,567.94 and 15,461.81

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Solution

The fourth proportional to 22,188.38, 30,567.94 and 15,461.81 is: 21,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.38 : 30,567.94 = 15,461.81 : x
  2. Step 2: Convert to fraction form
    22,188.38/30,567.94 = 15,461.81/x
  3. Step 3: Cross multiply
    22,188.38x = 30,567.94 × 15,461.81
  4. Step 4: Simplify right side
    22,188.38x = 472,635,488.88
  5. Step 5: Solve for x
    x = 472,635,488.88/22,188.38
  6. Step 6: Final answer
    x = 21,301.03

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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.