Home / 12,465.28-17,167.08-12,193.12

Finding the Fourth Proportional to 12,465.28, 17,167.08 and 12,193.12

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Solution

The fourth proportional to 12,465.28, 17,167.08 and 12,193.12 is: 16,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.28 : 17,167.08 = 12,193.12 : x
  2. Step 2: Convert to fraction form
    12,465.28/17,167.08 = 12,193.12/x
  3. Step 3: Cross multiply
    12,465.28x = 17,167.08 × 12,193.12
  4. Step 4: Simplify right side
    12,465.28x = 209,320,180.65
  5. Step 5: Solve for x
    x = 209,320,180.65/12,465.28
  6. Step 6: Final answer
    x = 16,792.26

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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.