Home / 18,736.02-25,860.03-12,363.75

Finding the Fourth Proportional to 18,736.02, 25,860.03 and 12,363.75

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Solution

The fourth proportional to 18,736.02, 25,860.03 and 12,363.75 is: 17,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.02 : 25,860.03 = 12,363.75 : x
  2. Step 2: Convert to fraction form
    18,736.02/25,860.03 = 12,363.75/x
  3. Step 3: Cross multiply
    18,736.02x = 25,860.03 × 12,363.75
  4. Step 4: Simplify right side
    18,736.02x = 319,726,945.91
  5. Step 5: Solve for x
    x = 319,726,945.91/18,736.02
  6. Step 6: Final answer
    x = 17,064.83

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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.