Home / 18,838.66-25,995.92-10,339.43

Finding the Fourth Proportional to 18,838.66, 25,995.92 and 10,339.43

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Solution

The fourth proportional to 18,838.66, 25,995.92 and 10,339.43 is: 14,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.66 : 25,995.92 = 10,339.43 : x
  2. Step 2: Convert to fraction form
    18,838.66/25,995.92 = 10,339.43/x
  3. Step 3: Cross multiply
    18,838.66x = 25,995.92 × 10,339.43
  4. Step 4: Simplify right side
    18,838.66x = 268,782,995.13
  5. Step 5: Solve for x
    x = 268,782,995.13/18,838.66
  6. Step 6: Final answer
    x = 14,267.63

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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.