Home / 18,116.87-24,989.77-13,088.48

Finding the Fourth Proportional to 18,116.87, 24,989.77 and 13,088.48

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Solution

The fourth proportional to 18,116.87, 24,989.77 and 13,088.48 is: 18,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.87 : 24,989.77 = 13,088.48 : x
  2. Step 2: Convert to fraction form
    18,116.87/24,989.77 = 13,088.48/x
  3. Step 3: Cross multiply
    18,116.87x = 24,989.77 × 13,088.48
  4. Step 4: Simplify right side
    18,116.87x = 327,078,104.85
  5. Step 5: Solve for x
    x = 327,078,104.85/18,116.87
  6. Step 6: Final answer
    x = 18,053.79

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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.