Home / 19,692.85-27,176.79-10,740.84

Finding the Fourth Proportional to 19,692.85, 27,176.79 and 10,740.84

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Solution

The fourth proportional to 19,692.85, 27,176.79 and 10,740.84 is: 14,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.85 : 27,176.79 = 10,740.84 : x
  2. Step 2: Convert to fraction form
    19,692.85/27,176.79 = 10,740.84/x
  3. Step 3: Cross multiply
    19,692.85x = 27,176.79 × 10,740.84
  4. Step 4: Simplify right side
    19,692.85x = 291,901,553.10
  5. Step 5: Solve for x
    x = 291,901,553.10/19,692.85
  6. Step 6: Final answer
    x = 14,822.72

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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.