Home / 16,381.85-22,607.64-9,308.25

Finding the Fourth Proportional to 16,381.85, 22,607.64 and 9,308.25

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Solution

The fourth proportional to 16,381.85, 22,607.64 and 9,308.25 is: 12,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.85 : 22,607.64 = 9,308.25 : x
  2. Step 2: Convert to fraction form
    16,381.85/22,607.64 = 9,308.25/x
  3. Step 3: Cross multiply
    16,381.85x = 22,607.64 × 9,308.25
  4. Step 4: Simplify right side
    16,381.85x = 210,437,565.03
  5. Step 5: Solve for x
    x = 210,437,565.03/16,381.85
  6. Step 6: Final answer
    x = 12,845.78

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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.