Home / 19,146.88-26,420.68-10,647.63

Finding the Fourth Proportional to 19,146.88, 26,420.68 and 10,647.63

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Solution

The fourth proportional to 19,146.88, 26,420.68 and 10,647.63 is: 14,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.88 : 26,420.68 = 10,647.63 : x
  2. Step 2: Convert to fraction form
    19,146.88/26,420.68 = 10,647.63/x
  3. Step 3: Cross multiply
    19,146.88x = 26,420.68 × 10,647.63
  4. Step 4: Simplify right side
    19,146.88x = 281,317,563.99
  5. Step 5: Solve for x
    x = 281,317,563.99/19,146.88
  6. Step 6: Final answer
    x = 14,692.61

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Double scale
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Similar ratio
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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.