Home / 23,111.91-31,893.48-14,618.66

Finding the Fourth Proportional to 23,111.91, 31,893.48 and 14,618.66

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Solution

The fourth proportional to 23,111.91, 31,893.48 and 14,618.66 is: 20,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.91 : 31,893.48 = 14,618.66 : x
  2. Step 2: Convert to fraction form
    23,111.91/31,893.48 = 14,618.66/x
  3. Step 3: Cross multiply
    23,111.91x = 31,893.48 × 14,618.66
  4. Step 4: Simplify right side
    23,111.91x = 466,239,780.87
  5. Step 5: Solve for x
    x = 466,239,780.87/23,111.91
  6. Step 6: Final answer
    x = 20,173.14

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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.