Home / 18,741.96-25,863.93-10,784.03

Finding the Fourth Proportional to 18,741.96, 25,863.93 and 10,784.03

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Solution

The fourth proportional to 18,741.96, 25,863.93 and 10,784.03 is: 14,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.96 : 25,863.93 = 10,784.03 : x
  2. Step 2: Convert to fraction form
    18,741.96/25,863.93 = 10,784.03/x
  3. Step 3: Cross multiply
    18,741.96x = 25,863.93 × 10,784.03
  4. Step 4: Simplify right side
    18,741.96x = 278,917,267.72
  5. Step 5: Solve for x
    x = 278,917,267.72/18,741.96
  6. Step 6: Final answer
    x = 14,881.97

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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.