Home / 12,060.96-18,173.60-9,917.70

Finding the Fourth Proportional to 12,060.96, 18,173.60 and 9,917.70

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Solution

The fourth proportional to 12,060.96, 18,173.60 and 9,917.70 is: 14,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.96 : 18,173.60 = 9,917.70 : x
  2. Step 2: Convert to fraction form
    12,060.96/18,173.60 = 9,917.70/x
  3. Step 3: Cross multiply
    12,060.96x = 18,173.60 × 9,917.70
  4. Step 4: Simplify right side
    12,060.96x = 180,240,263.13
  5. Step 5: Solve for x
    x = 180,240,263.13/12,060.96
  6. Step 6: Final answer
    x = 14,944.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.