Home / 13,902.66-19,181.85-7,932.18

Finding the Fourth Proportional to 13,902.66, 19,181.85 and 7,932.18

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Solution

The fourth proportional to 13,902.66, 19,181.85 and 7,932.18 is: 10,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.66 : 19,181.85 = 7,932.18 : x
  2. Step 2: Convert to fraction form
    13,902.66/19,181.85 = 7,932.18/x
  3. Step 3: Cross multiply
    13,902.66x = 19,181.85 × 7,932.18
  4. Step 4: Simplify right side
    13,902.66x = 152,153,886.93
  5. Step 5: Solve for x
    x = 152,153,886.93/13,902.66
  6. Step 6: Final answer
    x = 10,944.23

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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.