Home / 25,693.91-35,447.63-16,129.73

Finding the Fourth Proportional to 25,693.91, 35,447.63 and 16,129.73

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Solution

The fourth proportional to 25,693.91, 35,447.63 and 16,129.73 is: 22,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.91 : 35,447.63 = 16,129.73 : x
  2. Step 2: Convert to fraction form
    25,693.91/35,447.63 = 16,129.73/x
  3. Step 3: Cross multiply
    25,693.91x = 35,447.63 × 16,129.73
  4. Step 4: Simplify right side
    25,693.91x = 571,760,709.01
  5. Step 5: Solve for x
    x = 571,760,709.01/25,693.91
  6. Step 6: Final answer
    x = 22,252.77

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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.