Home / 19,163.60-26,448.40-11,612.96

Finding the Fourth Proportional to 19,163.60, 26,448.40 and 11,612.96

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Solution

The fourth proportional to 19,163.60, 26,448.40 and 11,612.96 is: 16,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.60 : 26,448.40 = 11,612.96 : x
  2. Step 2: Convert to fraction form
    19,163.60/26,448.40 = 11,612.96/x
  3. Step 3: Cross multiply
    19,163.60x = 26,448.40 × 11,612.96
  4. Step 4: Simplify right side
    19,163.60x = 307,144,211.26
  5. Step 5: Solve for x
    x = 307,144,211.26/19,163.60
  6. Step 6: Final answer
    x = 16,027.48

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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.