Home / 14,619.75-20,175.38-8,332.53

Finding the Fourth Proportional to 14,619.75, 20,175.38 and 8,332.53

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Solution

The fourth proportional to 14,619.75, 20,175.38 and 8,332.53 is: 11,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.75 : 20,175.38 = 8,332.53 : x
  2. Step 2: Convert to fraction form
    14,619.75/20,175.38 = 8,332.53/x
  3. Step 3: Cross multiply
    14,619.75x = 20,175.38 × 8,332.53
  4. Step 4: Simplify right side
    14,619.75x = 168,111,959.11
  5. Step 5: Solve for x
    x = 168,111,959.11/14,619.75
  6. Step 6: Final answer
    x = 11,498.96

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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.