Home / 18,914.54-28,389.33-9,561.17

Finding the Fourth Proportional to 18,914.54, 28,389.33 and 9,561.17

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Solution

The fourth proportional to 18,914.54, 28,389.33 and 9,561.17 is: 14,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.54 : 28,389.33 = 9,561.17 : x
  2. Step 2: Convert to fraction form
    18,914.54/28,389.33 = 9,561.17/x
  3. Step 3: Cross multiply
    18,914.54x = 28,389.33 × 9,561.17
  4. Step 4: Simplify right side
    18,914.54x = 271,435,210.32
  5. Step 5: Solve for x
    x = 271,435,210.32/18,914.54
  6. Step 6: Final answer
    x = 14,350.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.