Home / 13,886.93-19,158.62-9,635.87

Finding the Fourth Proportional to 13,886.93, 19,158.62 and 9,635.87

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Solution

The fourth proportional to 13,886.93, 19,158.62 and 9,635.87 is: 13,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.93 : 19,158.62 = 9,635.87 : x
  2. Step 2: Convert to fraction form
    13,886.93/19,158.62 = 9,635.87/x
  3. Step 3: Cross multiply
    13,886.93x = 19,158.62 × 9,635.87
  4. Step 4: Simplify right side
    13,886.93x = 184,609,917.64
  5. Step 5: Solve for x
    x = 184,609,917.64/13,886.93
  6. Step 6: Final answer
    x = 13,293.78

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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.