Home / 18,661.32-25,750.44-10,706.18

Finding the Fourth Proportional to 18,661.32, 25,750.44 and 10,706.18

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Solution

The fourth proportional to 18,661.32, 25,750.44 and 10,706.18 is: 14,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.32 : 25,750.44 = 10,706.18 : x
  2. Step 2: Convert to fraction form
    18,661.32/25,750.44 = 10,706.18/x
  3. Step 3: Cross multiply
    18,661.32x = 25,750.44 × 10,706.18
  4. Step 4: Simplify right side
    18,661.32x = 275,688,716.97
  5. Step 5: Solve for x
    x = 275,688,716.97/18,661.32
  6. Step 6: Final answer
    x = 14,773.27

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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.