Home / 19,645.07-27,109.31-10,692.55

Finding the Fourth Proportional to 19,645.07, 27,109.31 and 10,692.55

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Solution

The fourth proportional to 19,645.07, 27,109.31 and 10,692.55 is: 14,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.07 : 27,109.31 = 10,692.55 : x
  2. Step 2: Convert to fraction form
    19,645.07/27,109.31 = 10,692.55/x
  3. Step 3: Cross multiply
    19,645.07x = 27,109.31 × 10,692.55
  4. Step 4: Simplify right side
    19,645.07x = 289,867,652.64
  5. Step 5: Solve for x
    x = 289,867,652.64/19,645.07
  6. Step 6: Final answer
    x = 14,755.24

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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.