Home / 22,207.41-30,646.63-12,136.28

Finding the Fourth Proportional to 22,207.41, 30,646.63 and 12,136.28

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Solution

The fourth proportional to 22,207.41, 30,646.63 and 12,136.28 is: 16,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.41 : 30,646.63 = 12,136.28 : x
  2. Step 2: Convert to fraction form
    22,207.41/30,646.63 = 12,136.28/x
  3. Step 3: Cross multiply
    22,207.41x = 30,646.63 × 12,136.28
  4. Step 4: Simplify right side
    22,207.41x = 371,936,082.74
  5. Step 5: Solve for x
    x = 371,936,082.74/22,207.41
  6. Step 6: Final answer
    x = 16,748.29

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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.