Home / 18,671.58-25,749.46-13,627.81

Finding the Fourth Proportional to 18,671.58, 25,749.46 and 13,627.81

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Solution

The fourth proportional to 18,671.58, 25,749.46 and 13,627.81 is: 18,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.58 : 25,749.46 = 13,627.81 : x
  2. Step 2: Convert to fraction form
    18,671.58/25,749.46 = 13,627.81/x
  3. Step 3: Cross multiply
    18,671.58x = 25,749.46 × 13,627.81
  4. Step 4: Simplify right side
    18,671.58x = 350,908,551.60
  5. Step 5: Solve for x
    x = 350,908,551.60/18,671.58
  6. Step 6: Final answer
    x = 18,793.73

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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.