Home / 19,861.60-27,407.92-10,907.66

Finding the Fourth Proportional to 19,861.60, 27,407.92 and 10,907.66

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Solution

The fourth proportional to 19,861.60, 27,407.92 and 10,907.66 is: 15,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.60 : 27,407.92 = 10,907.66 : x
  2. Step 2: Convert to fraction form
    19,861.60/27,407.92 = 10,907.66/x
  3. Step 3: Cross multiply
    19,861.60x = 27,407.92 × 10,907.66
  4. Step 4: Simplify right side
    19,861.60x = 298,956,081.09
  5. Step 5: Solve for x
    x = 298,956,081.09/19,861.60
  6. Step 6: Final answer
    x = 15,051.97

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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.