Home / 14,187.88-19,561.93-8,873.47

Finding the Fourth Proportional to 14,187.88, 19,561.93 and 8,873.47

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Solution

The fourth proportional to 14,187.88, 19,561.93 and 8,873.47 is: 12,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.88 : 19,561.93 = 8,873.47 : x
  2. Step 2: Convert to fraction form
    14,187.88/19,561.93 = 8,873.47/x
  3. Step 3: Cross multiply
    14,187.88x = 19,561.93 × 8,873.47
  4. Step 4: Simplify right side
    14,187.88x = 173,582,201.27
  5. Step 5: Solve for x
    x = 173,582,201.27/14,187.88
  6. Step 6: Final answer
    x = 12,234.54

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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.