Home / 14,786.66-20,398.50-10,008.28

Finding the Fourth Proportional to 14,786.66, 20,398.50 and 10,008.28

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Solution

The fourth proportional to 14,786.66, 20,398.50 and 10,008.28 is: 13,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.66 : 20,398.50 = 10,008.28 : x
  2. Step 2: Convert to fraction form
    14,786.66/20,398.50 = 10,008.28/x
  3. Step 3: Cross multiply
    14,786.66x = 20,398.50 × 10,008.28
  4. Step 4: Simplify right side
    14,786.66x = 204,153,899.58
  5. Step 5: Solve for x
    x = 204,153,899.58/14,786.66
  6. Step 6: Final answer
    x = 13,806.63

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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.