Home / 25,657.56-38,415.33-13,150.62

Finding the Fourth Proportional to 25,657.56, 38,415.33 and 13,150.62

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Solution

The fourth proportional to 25,657.56, 38,415.33 and 13,150.62 is: 19,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.56 : 38,415.33 = 13,150.62 : x
  2. Step 2: Convert to fraction form
    25,657.56/38,415.33 = 13,150.62/x
  3. Step 3: Cross multiply
    25,657.56x = 38,415.33 × 13,150.62
  4. Step 4: Simplify right side
    25,657.56x = 505,185,407.00
  5. Step 5: Solve for x
    x = 505,185,407.00/25,657.56
  6. Step 6: Final answer
    x = 19,689.53

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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.