Home / 13,876.15-19,125.76-10,517.89

Finding the Fourth Proportional to 13,876.15, 19,125.76 and 10,517.89

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Solution

The fourth proportional to 13,876.15, 19,125.76 and 10,517.89 is: 14,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.15 : 19,125.76 = 10,517.89 : x
  2. Step 2: Convert to fraction form
    13,876.15/19,125.76 = 10,517.89/x
  3. Step 3: Cross multiply
    13,876.15x = 19,125.76 × 10,517.89
  4. Step 4: Simplify right side
    13,876.15x = 201,162,639.85
  5. Step 5: Solve for x
    x = 201,162,639.85/13,876.15
  6. Step 6: Final answer
    x = 14,497.01

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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.