Home / 13,168.88-19,753.32-12,877.28

Finding the Fourth Proportional to 13,168.88, 19,753.32 and 12,877.28

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Solution

The fourth proportional to 13,168.88, 19,753.32 and 12,877.28 is: 19,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.88 : 19,753.32 = 12,877.28 : x
  2. Step 2: Convert to fraction form
    13,168.88/19,753.32 = 12,877.28/x
  3. Step 3: Cross multiply
    13,168.88x = 19,753.32 × 12,877.28
  4. Step 4: Simplify right side
    13,168.88x = 254,369,032.57
  5. Step 5: Solve for x
    x = 254,369,032.57/13,168.88
  6. Step 6: Final answer
    x = 19,315.92

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.