Home / 16,783.98-23,160.99-9,331.50

Finding the Fourth Proportional to 16,783.98, 23,160.99 and 9,331.50

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Solution

The fourth proportional to 16,783.98, 23,160.99 and 9,331.50 is: 12,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.98 : 23,160.99 = 9,331.50 : x
  2. Step 2: Convert to fraction form
    16,783.98/23,160.99 = 9,331.50/x
  3. Step 3: Cross multiply
    16,783.98x = 23,160.99 × 9,331.50
  4. Step 4: Simplify right side
    16,783.98x = 216,126,778.19
  5. Step 5: Solve for x
    x = 216,126,778.19/16,783.98
  6. Step 6: Final answer
    x = 12,876.97

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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.