Home / 18,649.44-25,707.06-12,670.56

Finding the Fourth Proportional to 18,649.44, 25,707.06 and 12,670.56

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Solution

The fourth proportional to 18,649.44, 25,707.06 and 12,670.56 is: 17,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.44 : 25,707.06 = 12,670.56 : x
  2. Step 2: Convert to fraction form
    18,649.44/25,707.06 = 12,670.56/x
  3. Step 3: Cross multiply
    18,649.44x = 25,707.06 × 12,670.56
  4. Step 4: Simplify right side
    18,649.44x = 325,722,846.15
  5. Step 5: Solve for x
    x = 325,722,846.15/18,649.44
  6. Step 6: Final answer
    x = 17,465.56

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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.