Home / 25,541.06-38,311.87-7,774.60

Finding the Fourth Proportional to 25,541.06, 38,311.87 and 7,774.60

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Solution

The fourth proportional to 25,541.06, 38,311.87 and 7,774.60 is: 11,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541.06 : 38,311.87 = 7,774.60 : x
  2. Step 2: Convert to fraction form
    25,541.06/38,311.87 = 7,774.60/x
  3. Step 3: Cross multiply
    25,541.06x = 38,311.87 × 7,774.60
  4. Step 4: Simplify right side
    25,541.06x = 297,859,464.50
  5. Step 5: Solve for x
    x = 297,859,464.50/25,541.06
  6. Step 6: Final answer
    x = 11,661.99

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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.