Home / 18,833.53-25,990.31-10,335.72

Finding the Fourth Proportional to 18,833.53, 25,990.31 and 10,335.72

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Solution

The fourth proportional to 18,833.53, 25,990.31 and 10,335.72 is: 14,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.53 : 25,990.31 = 10,335.72 : x
  2. Step 2: Convert to fraction form
    18,833.53/25,990.31 = 10,335.72/x
  3. Step 3: Cross multiply
    18,833.53x = 25,990.31 × 10,335.72
  4. Step 4: Simplify right side
    18,833.53x = 268,628,566.87
  5. Step 5: Solve for x
    x = 268,628,566.87/18,833.53
  6. Step 6: Final answer
    x = 14,263.31

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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.