Home / 13,876.28-19,149.72-7,588.66

Finding the Fourth Proportional to 13,876.28, 19,149.72 and 7,588.66

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Solution

The fourth proportional to 13,876.28, 19,149.72 and 7,588.66 is: 10,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.28 : 19,149.72 = 7,588.66 : x
  2. Step 2: Convert to fraction form
    13,876.28/19,149.72 = 7,588.66/x
  3. Step 3: Cross multiply
    13,876.28x = 19,149.72 × 7,588.66
  4. Step 4: Simplify right side
    13,876.28x = 145,320,714.18
  5. Step 5: Solve for x
    x = 145,320,714.18/13,876.28
  6. Step 6: Final answer
    x = 10,472.60

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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.