Home / 19,964.08-29,968.80-10,114.48

Finding the Fourth Proportional to 19,964.08, 29,968.80 and 10,114.48

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Solution

The fourth proportional to 19,964.08, 29,968.80 and 10,114.48 is: 15,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.08 : 29,968.80 = 10,114.48 : x
  2. Step 2: Convert to fraction form
    19,964.08/29,968.80 = 10,114.48/x
  3. Step 3: Cross multiply
    19,964.08x = 29,968.80 × 10,114.48
  4. Step 4: Simplify right side
    19,964.08x = 303,118,828.22
  5. Step 5: Solve for x
    x = 303,118,828.22/19,964.08
  6. Step 6: Final answer
    x = 15,183.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.