Home / 26,479.47-39,710.78-8,706.03

Finding the Fourth Proportional to 26,479.47, 39,710.78 and 8,706.03

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Solution

The fourth proportional to 26,479.47, 39,710.78 and 8,706.03 is: 13,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.47 : 39,710.78 = 8,706.03 : x
  2. Step 2: Convert to fraction form
    26,479.47/39,710.78 = 8,706.03/x
  3. Step 3: Cross multiply
    26,479.47x = 39,710.78 × 8,706.03
  4. Step 4: Simplify right side
    26,479.47x = 345,723,242.00
  5. Step 5: Solve for x
    x = 345,723,242.00/26,479.47
  6. Step 6: Final answer
    x = 13,056.27

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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.