Home / 18,087.12-24,969.30-11,376.48

Finding the Fourth Proportional to 18,087.12, 24,969.30 and 11,376.48

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Solution

The fourth proportional to 18,087.12, 24,969.30 and 11,376.48 is: 15,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.12 : 24,969.30 = 11,376.48 : x
  2. Step 2: Convert to fraction form
    18,087.12/24,969.30 = 11,376.48/x
  3. Step 3: Cross multiply
    18,087.12x = 24,969.30 × 11,376.48
  4. Step 4: Simplify right side
    18,087.12x = 284,062,742.06
  5. Step 5: Solve for x
    x = 284,062,742.06/18,087.12
  6. Step 6: Final answer
    x = 15,705.25

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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.