Home / 25,901.06-38,859.69-8,372.21

Finding the Fourth Proportional to 25,901.06, 38,859.69 and 8,372.21

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Solution

The fourth proportional to 25,901.06, 38,859.69 and 8,372.21 is: 12,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.06 : 38,859.69 = 8,372.21 : x
  2. Step 2: Convert to fraction form
    25,901.06/38,859.69 = 8,372.21/x
  3. Step 3: Cross multiply
    25,901.06x = 38,859.69 × 8,372.21
  4. Step 4: Simplify right side
    25,901.06x = 325,341,485.21
  5. Step 5: Solve for x
    x = 325,341,485.21/25,901.06
  6. Step 6: Final answer
    x = 12,560.93

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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.