Home / 18,076.54-27,108.56-8,587.76

Finding the Fourth Proportional to 18,076.54, 27,108.56 and 8,587.76

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Solution

The fourth proportional to 18,076.54, 27,108.56 and 8,587.76 is: 12,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.54 : 27,108.56 = 8,587.76 : x
  2. Step 2: Convert to fraction form
    18,076.54/27,108.56 = 8,587.76/x
  3. Step 3: Cross multiply
    18,076.54x = 27,108.56 × 8,587.76
  4. Step 4: Simplify right side
    18,076.54x = 232,801,807.23
  5. Step 5: Solve for x
    x = 232,801,807.23/18,076.54
  6. Step 6: Final answer
    x = 12,878.67

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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.