Home / 25,720.32-35,496.40-16,161.76

Finding the Fourth Proportional to 25,720.32, 35,496.40 and 16,161.76

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Solution

The fourth proportional to 25,720.32, 35,496.40 and 16,161.76 is: 22,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.32 : 35,496.40 = 16,161.76 : x
  2. Step 2: Convert to fraction form
    25,720.32/35,496.40 = 16,161.76/x
  3. Step 3: Cross multiply
    25,720.32x = 35,496.40 × 16,161.76
  4. Step 4: Simplify right side
    25,720.32x = 573,684,297.66
  5. Step 5: Solve for x
    x = 573,684,297.66/25,720.32
  6. Step 6: Final answer
    x = 22,304.71

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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.