Home / 14,661.05-20,232.32-14,131.31

Finding the Fourth Proportional to 14,661.05, 20,232.32 and 14,131.31

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Solution

The fourth proportional to 14,661.05, 20,232.32 and 14,131.31 is: 19,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.05 : 20,232.32 = 14,131.31 : x
  2. Step 2: Convert to fraction form
    14,661.05/20,232.32 = 14,131.31/x
  3. Step 3: Cross multiply
    14,661.05x = 20,232.32 × 14,131.31
  4. Step 4: Simplify right side
    14,661.05x = 285,909,014.12
  5. Step 5: Solve for x
    x = 285,909,014.12/14,661.05
  6. Step 6: Final answer
    x = 19,501.27

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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.