Home / 19,692.96-27,176.58-10,740.43

Finding the Fourth Proportional to 19,692.96, 27,176.58 and 10,740.43

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Solution

The fourth proportional to 19,692.96, 27,176.58 and 10,740.43 is: 14,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.96 : 27,176.58 = 10,740.43 : x
  2. Step 2: Convert to fraction form
    19,692.96/27,176.58 = 10,740.43/x
  3. Step 3: Cross multiply
    19,692.96x = 27,176.58 × 10,740.43
  4. Step 4: Simplify right side
    19,692.96x = 291,888,189.10
  5. Step 5: Solve for x
    x = 291,888,189.10/19,692.96
  6. Step 6: Final answer
    x = 14,821.96

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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.