Home / 18,610.35-25,683.88-10,228.47

Finding the Fourth Proportional to 18,610.35, 25,683.88 and 10,228.47

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Solution

The fourth proportional to 18,610.35, 25,683.88 and 10,228.47 is: 14,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.35 : 25,683.88 = 10,228.47 : x
  2. Step 2: Convert to fraction form
    18,610.35/25,683.88 = 10,228.47/x
  3. Step 3: Cross multiply
    18,610.35x = 25,683.88 × 10,228.47
  4. Step 4: Simplify right side
    18,610.35x = 262,706,796.06
  5. Step 5: Solve for x
    x = 262,706,796.06/18,610.35
  6. Step 6: Final answer
    x = 14,116.17

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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.