Home / 13,443.17-20,172.86-4,684.24

Finding the Fourth Proportional to 13,443.17, 20,172.86 and 4,684.24

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Solution

The fourth proportional to 13,443.17, 20,172.86 and 4,684.24 is: 7,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.17 : 20,172.86 = 4,684.24 : x
  2. Step 2: Convert to fraction form
    13,443.17/20,172.86 = 4,684.24/x
  3. Step 3: Cross multiply
    13,443.17x = 20,172.86 × 4,684.24
  4. Step 4: Simplify right side
    13,443.17x = 94,494,393.44
  5. Step 5: Solve for x
    x = 94,494,393.44/13,443.17
  6. Step 6: Final answer
    x = 7,029.17

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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.