Home / 18,732.51-25,852.37-11,181.15

Finding the Fourth Proportional to 18,732.51, 25,852.37 and 11,181.15

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Solution

The fourth proportional to 18,732.51, 25,852.37 and 11,181.15 is: 15,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.51 : 25,852.37 = 11,181.15 : x
  2. Step 2: Convert to fraction form
    18,732.51/25,852.37 = 11,181.15/x
  3. Step 3: Cross multiply
    18,732.51x = 25,852.37 × 11,181.15
  4. Step 4: Simplify right side
    18,732.51x = 289,059,170.92
  5. Step 5: Solve for x
    x = 289,059,170.92/18,732.51
  6. Step 6: Final answer
    x = 15,430.88

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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.