Home / 14,540.16-20,063.82-8,165.46

Finding the Fourth Proportional to 14,540.16, 20,063.82 and 8,165.46

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Solution

The fourth proportional to 14,540.16, 20,063.82 and 8,165.46 is: 11,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.16 : 20,063.82 = 8,165.46 : x
  2. Step 2: Convert to fraction form
    14,540.16/20,063.82 = 8,165.46/x
  3. Step 3: Cross multiply
    14,540.16x = 20,063.82 × 8,165.46
  4. Step 4: Simplify right side
    14,540.16x = 163,830,319.66
  5. Step 5: Solve for x
    x = 163,830,319.66/14,540.16
  6. Step 6: Final answer
    x = 11,267.44

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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.