Home / 16,750.80-23,109.30-10,372.86

Finding the Fourth Proportional to 16,750.80, 23,109.30 and 10,372.86

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Solution

The fourth proportional to 16,750.80, 23,109.30 and 10,372.86 is: 14,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.80 : 23,109.30 = 10,372.86 : x
  2. Step 2: Convert to fraction form
    16,750.80/23,109.30 = 10,372.86/x
  3. Step 3: Cross multiply
    16,750.80x = 23,109.30 × 10,372.86
  4. Step 4: Simplify right side
    16,750.80x = 239,709,533.60
  5. Step 5: Solve for x
    x = 239,709,533.60/16,750.80
  6. Step 6: Final answer
    x = 14,310.33

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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.