Home / 18,259.11-27,353.12-12,000.24

Finding the Fourth Proportional to 18,259.11, 27,353.12 and 12,000.24

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Solution

The fourth proportional to 18,259.11, 27,353.12 and 12,000.24 is: 17,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.11 : 27,353.12 = 12,000.24 : x
  2. Step 2: Convert to fraction form
    18,259.11/27,353.12 = 12,000.24/x
  3. Step 3: Cross multiply
    18,259.11x = 27,353.12 × 12,000.24
  4. Step 4: Simplify right side
    18,259.11x = 328,243,944.75
  5. Step 5: Solve for x
    x = 328,243,944.75/18,259.11
  6. Step 6: Final answer
    x = 17,977.00

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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.