Home / 14,618.88-20,175.08-8,650.19

Finding the Fourth Proportional to 14,618.88, 20,175.08 and 8,650.19

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Solution

The fourth proportional to 14,618.88, 20,175.08 and 8,650.19 is: 11,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.88 : 20,175.08 = 8,650.19 : x
  2. Step 2: Convert to fraction form
    14,618.88/20,175.08 = 8,650.19/x
  3. Step 3: Cross multiply
    14,618.88x = 20,175.08 × 8,650.19
  4. Step 4: Simplify right side
    14,618.88x = 174,518,282.45
  5. Step 5: Solve for x
    x = 174,518,282.45/14,618.88
  6. Step 6: Final answer
    x = 11,937.87

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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.