Home / 18,586.26-25,647.84-10,627.20

Finding the Fourth Proportional to 18,586.26, 25,647.84 and 10,627.20

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Solution

The fourth proportional to 18,586.26, 25,647.84 and 10,627.20 is: 14,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.26 : 25,647.84 = 10,627.20 : x
  2. Step 2: Convert to fraction form
    18,586.26/25,647.84 = 10,627.20/x
  3. Step 3: Cross multiply
    18,586.26x = 25,647.84 × 10,627.20
  4. Step 4: Simplify right side
    18,586.26x = 272,564,725.25
  5. Step 5: Solve for x
    x = 272,564,725.25/18,586.26
  6. Step 6: Final answer
    x = 14,664.85

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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.