Home / 25,485.48-38,227.55-6,765.57

Finding the Fourth Proportional to 25,485.48, 38,227.55 and 6,765.57

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Solution

The fourth proportional to 25,485.48, 38,227.55 and 6,765.57 is: 10,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.48 : 38,227.55 = 6,765.57 : x
  2. Step 2: Convert to fraction form
    25,485.48/38,227.55 = 6,765.57/x
  3. Step 3: Cross multiply
    25,485.48x = 38,227.55 × 6,765.57
  4. Step 4: Simplify right side
    25,485.48x = 258,631,131.63
  5. Step 5: Solve for x
    x = 258,631,131.63/25,485.48
  6. Step 6: Final answer
    x = 10,148.18

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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.