Home / 18,407.07-25,401.09-11,248.96

Finding the Fourth Proportional to 18,407.07, 25,401.09 and 11,248.96

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Solution

The fourth proportional to 18,407.07, 25,401.09 and 11,248.96 is: 15,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.07 : 25,401.09 = 11,248.96 : x
  2. Step 2: Convert to fraction form
    18,407.07/25,401.09 = 11,248.96/x
  3. Step 3: Cross multiply
    18,407.07x = 25,401.09 × 11,248.96
  4. Step 4: Simplify right side
    18,407.07x = 285,735,825.58
  5. Step 5: Solve for x
    x = 285,735,825.58/18,407.07
  6. Step 6: Final answer
    x = 15,523.16

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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.