Home / 18,569.20-25,623.88-10,911.66

Finding the Fourth Proportional to 18,569.20, 25,623.88 and 10,911.66

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Solution

The fourth proportional to 18,569.20, 25,623.88 and 10,911.66 is: 15,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.20 : 25,623.88 = 10,911.66 : x
  2. Step 2: Convert to fraction form
    18,569.20/25,623.88 = 10,911.66/x
  3. Step 3: Cross multiply
    18,569.20x = 25,623.88 × 10,911.66
  4. Step 4: Simplify right side
    18,569.20x = 279,599,066.44
  5. Step 5: Solve for x
    x = 279,599,066.44/18,569.20
  6. Step 6: Final answer
    x = 15,057.15

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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.