Home / 15,455.36-23,162.88-6,216.32

Finding the Fourth Proportional to 15,455.36, 23,162.88 and 6,216.32

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Solution

The fourth proportional to 15,455.36, 23,162.88 and 6,216.32 is: 9,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.36 : 23,162.88 = 6,216.32 : x
  2. Step 2: Convert to fraction form
    15,455.36/23,162.88 = 6,216.32/x
  3. Step 3: Cross multiply
    15,455.36x = 23,162.88 × 6,216.32
  4. Step 4: Simplify right side
    15,455.36x = 143,987,874.20
  5. Step 5: Solve for x
    x = 143,987,874.20/15,455.36
  6. Step 6: Final answer
    x = 9,316.37

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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.