Home / 16,207.79-22,368.84-9,136.49

Finding the Fourth Proportional to 16,207.79, 22,368.84 and 9,136.49

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Solution

The fourth proportional to 16,207.79, 22,368.84 and 9,136.49 is: 12,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,207.79 : 22,368.84 = 9,136.49 : x
  2. Step 2: Convert to fraction form
    16,207.79/22,368.84 = 9,136.49/x
  3. Step 3: Cross multiply
    16,207.79x = 22,368.84 × 9,136.49
  4. Step 4: Simplify right side
    16,207.79x = 204,372,682.97
  5. Step 5: Solve for x
    x = 204,372,682.97/16,207.79
  6. Step 6: Final answer
    x = 12,609.53

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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.