Home / 13,362.36-19,932.15-12,241.08

Finding the Fourth Proportional to 13,362.36, 19,932.15 and 12,241.08

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Solution

The fourth proportional to 13,362.36, 19,932.15 and 12,241.08 is: 18,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.36 : 19,932.15 = 12,241.08 : x
  2. Step 2: Convert to fraction form
    13,362.36/19,932.15 = 12,241.08/x
  3. Step 3: Cross multiply
    13,362.36x = 19,932.15 × 12,241.08
  4. Step 4: Simplify right side
    13,362.36x = 243,991,042.72
  5. Step 5: Solve for x
    x = 243,991,042.72/13,362.36
  6. Step 6: Final answer
    x = 18,259.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.