Home / 18,557.90-25,608.80-11,004.95

Finding the Fourth Proportional to 18,557.90, 25,608.80 and 11,004.95

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Solution

The fourth proportional to 18,557.90, 25,608.80 and 11,004.95 is: 15,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.90 : 25,608.80 = 11,004.95 : x
  2. Step 2: Convert to fraction form
    18,557.90/25,608.80 = 11,004.95/x
  3. Step 3: Cross multiply
    18,557.90x = 25,608.80 × 11,004.95
  4. Step 4: Simplify right side
    18,557.90x = 281,823,380.49
  5. Step 5: Solve for x
    x = 281,823,380.49/18,557.90
  6. Step 6: Final answer
    x = 15,186.17

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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.