Home / 16,515.36-24,772.77-5,422.14

Finding the Fourth Proportional to 16,515.36, 24,772.77 and 5,422.14

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Solution

The fourth proportional to 16,515.36, 24,772.77 and 5,422.14 is: 8,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.36 : 24,772.77 = 5,422.14 : x
  2. Step 2: Convert to fraction form
    16,515.36/24,772.77 = 5,422.14/x
  3. Step 3: Cross multiply
    16,515.36x = 24,772.77 × 5,422.14
  4. Step 4: Simplify right side
    16,515.36x = 134,321,427.13
  5. Step 5: Solve for x
    x = 134,321,427.13/16,515.36
  6. Step 6: Final answer
    x = 8,133.12

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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.