Home / 18,736.31-25,844.80-12,360.64

Finding the Fourth Proportional to 18,736.31, 25,844.80 and 12,360.64

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Solution

The fourth proportional to 18,736.31, 25,844.80 and 12,360.64 is: 17,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.31 : 25,844.80 = 12,360.64 : x
  2. Step 2: Convert to fraction form
    18,736.31/25,844.80 = 12,360.64/x
  3. Step 3: Cross multiply
    18,736.31x = 25,844.80 × 12,360.64
  4. Step 4: Simplify right side
    18,736.31x = 319,458,206.87
  5. Step 5: Solve for x
    x = 319,458,206.87/18,736.31
  6. Step 6: Final answer
    x = 17,050.22

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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.