Home / 18,317.73-27,445.25-10,003.60

Finding the Fourth Proportional to 18,317.73, 27,445.25 and 10,003.60

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Solution

The fourth proportional to 18,317.73, 27,445.25 and 10,003.60 is: 14,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.73 : 27,445.25 = 10,003.60 : x
  2. Step 2: Convert to fraction form
    18,317.73/27,445.25 = 10,003.60/x
  3. Step 3: Cross multiply
    18,317.73x = 27,445.25 × 10,003.60
  4. Step 4: Simplify right side
    18,317.73x = 274,551,259.30
  5. Step 5: Solve for x
    x = 274,551,259.30/18,317.73
  6. Step 6: Final answer
    x = 14,988.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.