Home / 13,717.06-20,555.70-5,808.66

Finding the Fourth Proportional to 13,717.06, 20,555.70 and 5,808.66

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Solution

The fourth proportional to 13,717.06, 20,555.70 and 5,808.66 is: 8,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.06 : 20,555.70 = 5,808.66 : x
  2. Step 2: Convert to fraction form
    13,717.06/20,555.70 = 5,808.66/x
  3. Step 3: Cross multiply
    13,717.06x = 20,555.70 × 5,808.66
  4. Step 4: Simplify right side
    13,717.06x = 119,401,072.36
  5. Step 5: Solve for x
    x = 119,401,072.36/13,717.06
  6. Step 6: Final answer
    x = 8,704.57

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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.