Home / 25,540.56-38,318.67-13,069.45

Finding the Fourth Proportional to 25,540.56, 38,318.67 and 13,069.45

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Solution

The fourth proportional to 25,540.56, 38,318.67 and 13,069.45 is: 19,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.56 : 38,318.67 = 13,069.45 : x
  2. Step 2: Convert to fraction form
    25,540.56/38,318.67 = 13,069.45/x
  3. Step 3: Cross multiply
    25,540.56x = 38,318.67 × 13,069.45
  4. Step 4: Simplify right side
    25,540.56x = 500,803,989.53
  5. Step 5: Solve for x
    x = 500,803,989.53/25,540.56
  6. Step 6: Final answer
    x = 19,608.18

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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.