Home / 18,627.40-25,706.07-10,669.62

Finding the Fourth Proportional to 18,627.40, 25,706.07 and 10,669.62

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Solution

The fourth proportional to 18,627.40, 25,706.07 and 10,669.62 is: 14,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.40 : 25,706.07 = 10,669.62 : x
  2. Step 2: Convert to fraction form
    18,627.40/25,706.07 = 10,669.62/x
  3. Step 3: Cross multiply
    18,627.40x = 25,706.07 × 10,669.62
  4. Step 4: Simplify right side
    18,627.40x = 274,273,945.25
  5. Step 5: Solve for x
    x = 274,273,945.25/18,627.40
  6. Step 6: Final answer
    x = 14,724.22

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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.