Home / 16,863.86-23,270.93-9,308.98

Finding the Fourth Proportional to 16,863.86, 23,270.93 and 9,308.98

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Solution

The fourth proportional to 16,863.86, 23,270.93 and 9,308.98 is: 12,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.86 : 23,270.93 = 9,308.98 : x
  2. Step 2: Convert to fraction form
    16,863.86/23,270.93 = 9,308.98/x
  3. Step 3: Cross multiply
    16,863.86x = 23,270.93 × 9,308.98
  4. Step 4: Simplify right side
    16,863.86x = 216,628,459.05
  5. Step 5: Solve for x
    x = 216,628,459.05/16,863.86
  6. Step 6: Final answer
    x = 12,845.72

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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.