Home / 29,453.12-40,644.96-19,396.16

Finding the Fourth Proportional to 29,453.12, 40,644.96 and 19,396.16

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Solution

The fourth proportional to 29,453.12, 40,644.96 and 19,396.16 is: 26,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,453.12 : 40,644.96 = 19,396.16 : x
  2. Step 2: Convert to fraction form
    29,453.12/40,644.96 = 19,396.16/x
  3. Step 3: Cross multiply
    29,453.12x = 40,644.96 × 19,396.16
  4. Step 4: Simplify right side
    29,453.12x = 788,356,147.35
  5. Step 5: Solve for x
    x = 788,356,147.35/29,453.12
  6. Step 6: Final answer
    x = 26,766.47

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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.