Home / 13,617.58-20,397.66-6,228.26

Finding the Fourth Proportional to 13,617.58, 20,397.66 and 6,228.26

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Solution

The fourth proportional to 13,617.58, 20,397.66 and 6,228.26 is: 9,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.58 : 20,397.66 = 6,228.26 : x
  2. Step 2: Convert to fraction form
    13,617.58/20,397.66 = 6,228.26/x
  3. Step 3: Cross multiply
    13,617.58x = 20,397.66 × 6,228.26
  4. Step 4: Simplify right side
    13,617.58x = 127,041,929.87
  5. Step 5: Solve for x
    x = 127,041,929.87/13,617.58
  6. Step 6: Final answer
    x = 9,329.26

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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.