Home / 18,311.12-25,271.56-10,353.27

Finding the Fourth Proportional to 18,311.12, 25,271.56 and 10,353.27

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Solution

The fourth proportional to 18,311.12, 25,271.56 and 10,353.27 is: 14,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.12 : 25,271.56 = 10,353.27 : x
  2. Step 2: Convert to fraction form
    18,311.12/25,271.56 = 10,353.27/x
  3. Step 3: Cross multiply
    18,311.12x = 25,271.56 × 10,353.27
  4. Step 4: Simplify right side
    18,311.12x = 261,643,284.00
  5. Step 5: Solve for x
    x = 261,643,284.00/18,311.12
  6. Step 6: Final answer
    x = 14,288.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.