Home / 18,580.55-25,639.46-11,025.58

Finding the Fourth Proportional to 18,580.55, 25,639.46 and 11,025.58

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Solution

The fourth proportional to 18,580.55, 25,639.46 and 11,025.58 is: 15,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.55 : 25,639.46 = 11,025.58 : x
  2. Step 2: Convert to fraction form
    18,580.55/25,639.46 = 11,025.58/x
  3. Step 3: Cross multiply
    18,580.55x = 25,639.46 × 11,025.58
  4. Step 4: Simplify right side
    18,580.55x = 282,689,880.85
  5. Step 5: Solve for x
    x = 282,689,880.85/18,580.55
  6. Step 6: Final answer
    x = 15,214.29

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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.