Home / 22,143.89-30,567.10-16,222.59

Finding the Fourth Proportional to 22,143.89, 30,567.10 and 16,222.59

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Solution

The fourth proportional to 22,143.89, 30,567.10 and 16,222.59 is: 22,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.89 : 30,567.10 = 16,222.59 : x
  2. Step 2: Convert to fraction form
    22,143.89/30,567.10 = 16,222.59/x
  3. Step 3: Cross multiply
    22,143.89x = 30,567.10 × 16,222.59
  4. Step 4: Simplify right side
    22,143.89x = 495,877,530.79
  5. Step 5: Solve for x
    x = 495,877,530.79/22,143.89
  6. Step 6: Final answer
    x = 22,393.42

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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.