Home / 13,912.60-19,184.34-9,932.08

Finding the Fourth Proportional to 13,912.60, 19,184.34 and 9,932.08

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Solution

The fourth proportional to 13,912.60, 19,184.34 and 9,932.08 is: 13,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.60 : 19,184.34 = 9,932.08 : x
  2. Step 2: Convert to fraction form
    13,912.60/19,184.34 = 9,932.08/x
  3. Step 3: Cross multiply
    13,912.60x = 19,184.34 × 9,932.08
  4. Step 4: Simplify right side
    13,912.60x = 190,540,399.63
  5. Step 5: Solve for x
    x = 190,540,399.63/13,912.60
  6. Step 6: Final answer
    x = 13,695.53

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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.