Home / 13,894.84-19,161.42-11,770.18

Finding the Fourth Proportional to 13,894.84, 19,161.42 and 11,770.18

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Solution

The fourth proportional to 13,894.84, 19,161.42 and 11,770.18 is: 16,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.84 : 19,161.42 = 11,770.18 : x
  2. Step 2: Convert to fraction form
    13,894.84/19,161.42 = 11,770.18/x
  3. Step 3: Cross multiply
    13,894.84x = 19,161.42 × 11,770.18
  4. Step 4: Simplify right side
    13,894.84x = 225,533,362.46
  5. Step 5: Solve for x
    x = 225,533,362.46/13,894.84
  6. Step 6: Final answer
    x = 16,231.45

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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.