Home / 25,999.36-38,990.52-8,464.96

Finding the Fourth Proportional to 25,999.36, 38,990.52 and 8,464.96

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Solution

The fourth proportional to 25,999.36, 38,990.52 and 8,464.96 is: 12,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.36 : 38,990.52 = 8,464.96 : x
  2. Step 2: Convert to fraction form
    25,999.36/38,990.52 = 8,464.96/x
  3. Step 3: Cross multiply
    25,999.36x = 38,990.52 × 8,464.96
  4. Step 4: Simplify right side
    25,999.36x = 330,053,192.18
  5. Step 5: Solve for x
    x = 330,053,192.18/25,999.36
  6. Step 6: Final answer
    x = 12,694.67

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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.