Home / 19,610.08-29,415.06-8,515.32

Finding the Fourth Proportional to 19,610.08, 29,415.06 and 8,515.32

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Solution

The fourth proportional to 19,610.08, 29,415.06 and 8,515.32 is: 12,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.08 : 29,415.06 = 8,515.32 : x
  2. Step 2: Convert to fraction form
    19,610.08/29,415.06 = 8,515.32/x
  3. Step 3: Cross multiply
    19,610.08x = 29,415.06 × 8,515.32
  4. Step 4: Simplify right side
    19,610.08x = 250,478,648.72
  5. Step 5: Solve for x
    x = 250,478,648.72/19,610.08
  6. Step 6: Final answer
    x = 12,772.95

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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.