Home / 25,814.17-35,620.38-15,201.75

Finding the Fourth Proportional to 25,814.17, 35,620.38 and 15,201.75

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Solution

The fourth proportional to 25,814.17, 35,620.38 and 15,201.75 is: 20,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.17 : 35,620.38 = 15,201.75 : x
  2. Step 2: Convert to fraction form
    25,814.17/35,620.38 = 15,201.75/x
  3. Step 3: Cross multiply
    25,814.17x = 35,620.38 × 15,201.75
  4. Step 4: Simplify right side
    25,814.17x = 541,492,111.67
  5. Step 5: Solve for x
    x = 541,492,111.67/25,814.17
  6. Step 6: Final answer
    x = 20,976.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.