Home / 25,534.88-35,228.44-15,839.84

Finding the Fourth Proportional to 25,534.88, 35,228.44 and 15,839.84

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Solution

The fourth proportional to 25,534.88, 35,228.44 and 15,839.84 is: 21,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,534.88 : 35,228.44 = 15,839.84 : x
  2. Step 2: Convert to fraction form
    25,534.88/35,228.44 = 15,839.84/x
  3. Step 3: Cross multiply
    25,534.88x = 35,228.44 × 15,839.84
  4. Step 4: Simplify right side
    25,534.88x = 558,012,853.05
  5. Step 5: Solve for x
    x = 558,012,853.05/25,534.88
  6. Step 6: Final answer
    x = 21,852.97

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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.