Home / 19,645.11-27,110.16-10,692.68

Finding the Fourth Proportional to 19,645.11, 27,110.16 and 10,692.68

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Solution

The fourth proportional to 19,645.11, 27,110.16 and 10,692.68 is: 14,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.11 : 27,110.16 = 10,692.68 : x
  2. Step 2: Convert to fraction form
    19,645.11/27,110.16 = 10,692.68/x
  3. Step 3: Cross multiply
    19,645.11x = 27,110.16 × 10,692.68
  4. Step 4: Simplify right side
    19,645.11x = 289,880,130.08
  5. Step 5: Solve for x
    x = 289,880,130.08/19,645.11
  6. Step 6: Final answer
    x = 14,755.84

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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.