Home / 13,181.71-19,793.07-10,692.63

Finding the Fourth Proportional to 13,181.71, 19,793.07 and 10,692.63

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Solution

The fourth proportional to 13,181.71, 19,793.07 and 10,692.63 is: 16,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.71 : 19,793.07 = 10,692.63 : x
  2. Step 2: Convert to fraction form
    13,181.71/19,793.07 = 10,692.63/x
  3. Step 3: Cross multiply
    13,181.71x = 19,793.07 × 10,692.63
  4. Step 4: Simplify right side
    13,181.71x = 211,639,920.61
  5. Step 5: Solve for x
    x = 211,639,920.61/13,181.71
  6. Step 6: Final answer
    x = 16,055.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.