Home / 18,027.96-27,038.83-4,877.27

Finding the Fourth Proportional to 18,027.96, 27,038.83 and 4,877.27

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Solution

The fourth proportional to 18,027.96, 27,038.83 and 4,877.27 is: 7,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.96 : 27,038.83 = 4,877.27 : x
  2. Step 2: Convert to fraction form
    18,027.96/27,038.83 = 4,877.27/x
  3. Step 3: Cross multiply
    18,027.96x = 27,038.83 × 4,877.27
  4. Step 4: Simplify right side
    18,027.96x = 131,875,674.39
  5. Step 5: Solve for x
    x = 131,875,674.39/18,027.96
  6. Step 6: Final answer
    x = 7,315.06

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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.