Home / 16,727.48-23,086.86-11,420.36

Finding the Fourth Proportional to 16,727.48, 23,086.86 and 11,420.36

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Solution

The fourth proportional to 16,727.48, 23,086.86 and 11,420.36 is: 15,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.48 : 23,086.86 = 11,420.36 : x
  2. Step 2: Convert to fraction form
    16,727.48/23,086.86 = 11,420.36/x
  3. Step 3: Cross multiply
    16,727.48x = 23,086.86 × 11,420.36
  4. Step 4: Simplify right side
    16,727.48x = 263,660,252.47
  5. Step 5: Solve for x
    x = 263,660,252.47/16,727.48
  6. Step 6: Final answer
    x = 15,762.10

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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.