Home / 19,146.66-26,420.33-10,647.44

Finding the Fourth Proportional to 19,146.66, 26,420.33 and 10,647.44

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Solution

The fourth proportional to 19,146.66, 26,420.33 and 10,647.44 is: 14,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.66 : 26,420.33 = 10,647.44 : x
  2. Step 2: Convert to fraction form
    19,146.66/26,420.33 = 10,647.44/x
  3. Step 3: Cross multiply
    19,146.66x = 26,420.33 × 10,647.44
  4. Step 4: Simplify right side
    19,146.66x = 281,308,693.12
  5. Step 5: Solve for x
    x = 281,308,693.12/19,146.66
  6. Step 6: Final answer
    x = 14,692.31

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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.