Home / 18,377.02-25,360.70-9,993.52

Finding the Fourth Proportional to 18,377.02, 25,360.70 and 9,993.52

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Solution

The fourth proportional to 18,377.02, 25,360.70 and 9,993.52 is: 13,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.02 : 25,360.70 = 9,993.52 : x
  2. Step 2: Convert to fraction form
    18,377.02/25,360.70 = 9,993.52/x
  3. Step 3: Cross multiply
    18,377.02x = 25,360.70 × 9,993.52
  4. Step 4: Simplify right side
    18,377.02x = 253,442,662.66
  5. Step 5: Solve for x
    x = 253,442,662.66/18,377.02
  6. Step 6: Final answer
    x = 13,791.28

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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.