Home / 25,991.15-35,867.75-14,660.61

Finding the Fourth Proportional to 25,991.15, 35,867.75 and 14,660.61

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Solution

The fourth proportional to 25,991.15, 35,867.75 and 14,660.61 is: 20,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.15 : 35,867.75 = 14,660.61 : x
  2. Step 2: Convert to fraction form
    25,991.15/35,867.75 = 14,660.61/x
  3. Step 3: Cross multiply
    25,991.15x = 35,867.75 × 14,660.61
  4. Step 4: Simplify right side
    25,991.15x = 525,843,225.78
  5. Step 5: Solve for x
    x = 525,843,225.78/25,991.15
  6. Step 6: Final answer
    x = 20,231.62

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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.