Home / 19,645.30-27,110.28-10,692.70

Finding the Fourth Proportional to 19,645.30, 27,110.28 and 10,692.70

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Solution

The fourth proportional to 19,645.30, 27,110.28 and 10,692.70 is: 14,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.30 : 27,110.28 = 10,692.70 : x
  2. Step 2: Convert to fraction form
    19,645.30/27,110.28 = 10,692.70/x
  3. Step 3: Cross multiply
    19,645.30x = 27,110.28 × 10,692.70
  4. Step 4: Simplify right side
    19,645.30x = 289,882,090.96
  5. Step 5: Solve for x
    x = 289,882,090.96/19,645.30
  6. Step 6: Final answer
    x = 14,755.80

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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.