Home / 25,858.16-35,686.41-15,249.86

Finding the Fourth Proportional to 25,858.16, 35,686.41 and 15,249.86

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Solution

The fourth proportional to 25,858.16, 35,686.41 and 15,249.86 is: 21,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.16 : 35,686.41 = 15,249.86 : x
  2. Step 2: Convert to fraction form
    25,858.16/35,686.41 = 15,249.86/x
  3. Step 3: Cross multiply
    25,858.16x = 35,686.41 × 15,249.86
  4. Step 4: Simplify right side
    25,858.16x = 544,212,756.40
  5. Step 5: Solve for x
    x = 544,212,756.40/25,858.16
  6. Step 6: Final answer
    x = 21,046.07

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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.