Home / 18,670.89-25,766.37-10,714.53

Finding the Fourth Proportional to 18,670.89, 25,766.37 and 10,714.53

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Solution

The fourth proportional to 18,670.89, 25,766.37 and 10,714.53 is: 14,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.89 : 25,766.37 = 10,714.53 : x
  2. Step 2: Convert to fraction form
    18,670.89/25,766.37 = 10,714.53/x
  3. Step 3: Cross multiply
    18,670.89x = 25,766.37 × 10,714.53
  4. Step 4: Simplify right side
    18,670.89x = 276,074,544.36
  5. Step 5: Solve for x
    x = 276,074,544.36/18,670.89
  6. Step 6: Final answer
    x = 14,786.36

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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.