Home / 18,025.44-27,038.04-4,877.76

Finding the Fourth Proportional to 18,025.44, 27,038.04 and 4,877.76

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Solution

The fourth proportional to 18,025.44, 27,038.04 and 4,877.76 is: 7,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.44 : 27,038.04 = 4,877.76 : x
  2. Step 2: Convert to fraction form
    18,025.44/27,038.04 = 4,877.76/x
  3. Step 3: Cross multiply
    18,025.44x = 27,038.04 × 4,877.76
  4. Step 4: Simplify right side
    18,025.44x = 131,885,069.99
  5. Step 5: Solve for x
    x = 131,885,069.99/18,025.44
  6. Step 6: Final answer
    x = 7,316.61

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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.