Home / 18,392.36-25,382.02-10,434.28

Finding the Fourth Proportional to 18,392.36, 25,382.02 and 10,434.28

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Solution

The fourth proportional to 18,392.36, 25,382.02 and 10,434.28 is: 14,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.36 : 25,382.02 = 10,434.28 : x
  2. Step 2: Convert to fraction form
    18,392.36/25,382.02 = 10,434.28/x
  3. Step 3: Cross multiply
    18,392.36x = 25,382.02 × 10,434.28
  4. Step 4: Simplify right side
    18,392.36x = 264,843,103.65
  5. Step 5: Solve for x
    x = 264,843,103.65/18,392.36
  6. Step 6: Final answer
    x = 14,399.63

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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.