Home / 14,964.39-20,649.18-8,589.28

Finding the Fourth Proportional to 14,964.39, 20,649.18 and 8,589.28

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Solution

The fourth proportional to 14,964.39, 20,649.18 and 8,589.28 is: 11,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.39 : 20,649.18 = 8,589.28 : x
  2. Step 2: Convert to fraction form
    14,964.39/20,649.18 = 8,589.28/x
  3. Step 3: Cross multiply
    14,964.39x = 20,649.18 × 8,589.28
  4. Step 4: Simplify right side
    14,964.39x = 177,361,588.79
  5. Step 5: Solve for x
    x = 177,361,588.79/14,964.39
  6. Step 6: Final answer
    x = 11,852.24

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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.