Home / 13,617.77-20,397.93-6,228.44

Finding the Fourth Proportional to 13,617.77, 20,397.93 and 6,228.44

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Solution

The fourth proportional to 13,617.77, 20,397.93 and 6,228.44 is: 9,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.77 : 20,397.93 = 6,228.44 : x
  2. Step 2: Convert to fraction form
    13,617.77/20,397.93 = 6,228.44/x
  3. Step 3: Cross multiply
    13,617.77x = 20,397.93 × 6,228.44
  4. Step 4: Simplify right side
    13,617.77x = 127,047,283.13
  5. Step 5: Solve for x
    x = 127,047,283.13/13,617.77
  6. Step 6: Final answer
    x = 9,329.52

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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.