Home / 55,627.40-83,450.20-18,176.60

Finding the Fourth Proportional to 55,627.40, 83,450.20 and 18,176.60

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Solution

The fourth proportional to 55,627.40, 83,450.20 and 18,176.60 is: 27,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.40 : 83,450.20 = 18,176.60 : x
  2. Step 2: Convert to fraction form
    55,627.40/83,450.20 = 18,176.60/x
  3. Step 3: Cross multiply
    55,627.40x = 83,450.20 × 18,176.60
  4. Step 4: Simplify right side
    55,627.40x = 1,516,840,905.32
  5. Step 5: Solve for x
    x = 1,516,840,905.32/55,627.40
  6. Step 6: Final answer
    x = 27,267.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.