Home / 14,619.88-20,175.80-8,332.12

Finding the Fourth Proportional to 14,619.88, 20,175.80 and 8,332.12

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Solution

The fourth proportional to 14,619.88, 20,175.80 and 8,332.12 is: 11,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.88 : 20,175.80 = 8,332.12 : x
  2. Step 2: Convert to fraction form
    14,619.88/20,175.80 = 8,332.12/x
  3. Step 3: Cross multiply
    14,619.88x = 20,175.80 × 8,332.12
  4. Step 4: Simplify right side
    14,619.88x = 168,107,186.70
  5. Step 5: Solve for x
    x = 168,107,186.70/14,619.88
  6. Step 6: Final answer
    x = 11,498.53

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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.