Home / 14,869.05-20,517.75-8,497.23

Finding the Fourth Proportional to 14,869.05, 20,517.75 and 8,497.23

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Solution

The fourth proportional to 14,869.05, 20,517.75 and 8,497.23 is: 11,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.05 : 20,517.75 = 8,497.23 : x
  2. Step 2: Convert to fraction form
    14,869.05/20,517.75 = 8,497.23/x
  3. Step 3: Cross multiply
    14,869.05x = 20,517.75 × 8,497.23
  4. Step 4: Simplify right side
    14,869.05x = 174,344,040.83
  5. Step 5: Solve for x
    x = 174,344,040.83/14,869.05
  6. Step 6: Final answer
    x = 11,725.30

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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.