Home / 25,755.57-38,531.70-19,533.15

Finding the Fourth Proportional to 25,755.57, 38,531.70 and 19,533.15

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Solution

The fourth proportional to 25,755.57, 38,531.70 and 19,533.15 is: 29,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.57 : 38,531.70 = 19,533.15 : x
  2. Step 2: Convert to fraction form
    25,755.57/38,531.70 = 19,533.15/x
  3. Step 3: Cross multiply
    25,755.57x = 38,531.70 × 19,533.15
  4. Step 4: Simplify right side
    25,755.57x = 752,645,475.86
  5. Step 5: Solve for x
    x = 752,645,475.86/25,755.57
  6. Step 6: Final answer
    x = 29,222.63

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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.