Home / 16,089.72-22,219.86-13,266.68

Finding the Fourth Proportional to 16,089.72, 22,219.86 and 13,266.68

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Solution

The fourth proportional to 16,089.72, 22,219.86 and 13,266.68 is: 18,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,089.72 : 22,219.86 = 13,266.68 : x
  2. Step 2: Convert to fraction form
    16,089.72/22,219.86 = 13,266.68/x
  3. Step 3: Cross multiply
    16,089.72x = 22,219.86 × 13,266.68
  4. Step 4: Simplify right side
    16,089.72x = 294,783,661.17
  5. Step 5: Solve for x
    x = 294,783,661.17/16,089.72
  6. Step 6: Final answer
    x = 18,321.24

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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.