Home / 14,392.54-19,862.58-8,105.32

Finding the Fourth Proportional to 14,392.54, 19,862.58 and 8,105.32

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Solution

The fourth proportional to 14,392.54, 19,862.58 and 8,105.32 is: 11,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.54 : 19,862.58 = 8,105.32 : x
  2. Step 2: Convert to fraction form
    14,392.54/19,862.58 = 8,105.32/x
  3. Step 3: Cross multiply
    14,392.54x = 19,862.58 × 8,105.32
  4. Step 4: Simplify right side
    14,392.54x = 160,992,566.93
  5. Step 5: Solve for x
    x = 160,992,566.93/14,392.54
  6. Step 6: Final answer
    x = 11,185.83

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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.