Home / 18,520.95-27,783.10-6,037.77

Finding the Fourth Proportional to 18,520.95, 27,783.10 and 6,037.77

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Solution

The fourth proportional to 18,520.95, 27,783.10 and 6,037.77 is: 9,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.95 : 27,783.10 = 6,037.77 : x
  2. Step 2: Convert to fraction form
    18,520.95/27,783.10 = 6,037.77/x
  3. Step 3: Cross multiply
    18,520.95x = 27,783.10 × 6,037.77
  4. Step 4: Simplify right side
    18,520.95x = 167,747,828.77
  5. Step 5: Solve for x
    x = 167,747,828.77/18,520.95
  6. Step 6: Final answer
    x = 9,057.20

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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.