Home / 16,749.98-23,113.26-9,678.68

Finding the Fourth Proportional to 16,749.98, 23,113.26 and 9,678.68

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Solution

The fourth proportional to 16,749.98, 23,113.26 and 9,678.68 is: 13,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.98 : 23,113.26 = 9,678.68 : x
  2. Step 2: Convert to fraction form
    16,749.98/23,113.26 = 9,678.68/x
  3. Step 3: Cross multiply
    16,749.98x = 23,113.26 × 9,678.68
  4. Step 4: Simplify right side
    16,749.98x = 223,705,847.30
  5. Step 5: Solve for x
    x = 223,705,847.30/16,749.98
  6. Step 6: Final answer
    x = 13,355.59

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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.