Home / 18,627.75-25,706.23-10,451.36

Finding the Fourth Proportional to 18,627.75, 25,706.23 and 10,451.36

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Solution

The fourth proportional to 18,627.75, 25,706.23 and 10,451.36 is: 14,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.75 : 25,706.23 = 10,451.36 : x
  2. Step 2: Convert to fraction form
    18,627.75/25,706.23 = 10,451.36/x
  3. Step 3: Cross multiply
    18,627.75x = 25,706.23 × 10,451.36
  4. Step 4: Simplify right side
    18,627.75x = 268,665,102.11
  5. Step 5: Solve for x
    x = 268,665,102.11/18,627.75
  6. Step 6: Final answer
    x = 14,422.84

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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.