Home / 16,240.86-22,427.87-15,356.33

Finding the Fourth Proportional to 16,240.86, 22,427.87 and 15,356.33

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Solution

The fourth proportional to 16,240.86, 22,427.87 and 15,356.33 is: 21,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.86 : 22,427.87 = 15,356.33 : x
  2. Step 2: Convert to fraction form
    16,240.86/22,427.87 = 15,356.33/x
  3. Step 3: Cross multiply
    16,240.86x = 22,427.87 × 15,356.33
  4. Step 4: Simplify right side
    16,240.86x = 344,409,584.00
  5. Step 5: Solve for x
    x = 344,409,584.00/16,240.86
  6. Step 6: Final answer
    x = 21,206.36

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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.