Home / 18,475.37-27,715.79-6,787.67

Finding the Fourth Proportional to 18,475.37, 27,715.79 and 6,787.67

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Solution

The fourth proportional to 18,475.37, 27,715.79 and 6,787.67 is: 10,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.37 : 27,715.79 = 6,787.67 : x
  2. Step 2: Convert to fraction form
    18,475.37/27,715.79 = 6,787.67/x
  3. Step 3: Cross multiply
    18,475.37x = 27,715.79 × 6,787.67
  4. Step 4: Simplify right side
    18,475.37x = 188,125,671.66
  5. Step 5: Solve for x
    x = 188,125,671.66/18,475.37
  6. Step 6: Final answer
    x = 10,182.51

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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.