Home / 13,134.15-19,696.06-4,811.70

Finding the Fourth Proportional to 13,134.15, 19,696.06 and 4,811.70

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Solution

The fourth proportional to 13,134.15, 19,696.06 and 4,811.70 is: 7,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.15 : 19,696.06 = 4,811.70 : x
  2. Step 2: Convert to fraction form
    13,134.15/19,696.06 = 4,811.70/x
  3. Step 3: Cross multiply
    13,134.15x = 19,696.06 × 4,811.70
  4. Step 4: Simplify right side
    13,134.15x = 94,771,611.78
  5. Step 5: Solve for x
    x = 94,771,611.78/13,134.15
  6. Step 6: Final answer
    x = 7,215.66

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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.