Home / 14,391.23-21,610.28-8,879.58

Finding the Fourth Proportional to 14,391.23, 21,610.28 and 8,879.58

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Solution

The fourth proportional to 14,391.23, 21,610.28 and 8,879.58 is: 13,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.23 : 21,610.28 = 8,879.58 : x
  2. Step 2: Convert to fraction form
    14,391.23/21,610.28 = 8,879.58/x
  3. Step 3: Cross multiply
    14,391.23x = 21,610.28 × 8,879.58
  4. Step 4: Simplify right side
    14,391.23x = 191,890,232.28
  5. Step 5: Solve for x
    x = 191,890,232.28/14,391.23
  6. Step 6: Final answer
    x = 13,333.84

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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.