Home / 12,968.13-19,448.12-4,201.01

Finding the Fourth Proportional to 12,968.13, 19,448.12 and 4,201.01

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Solution

The fourth proportional to 12,968.13, 19,448.12 and 4,201.01 is: 6,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.13 : 19,448.12 = 4,201.01 : x
  2. Step 2: Convert to fraction form
    12,968.13/19,448.12 = 4,201.01/x
  3. Step 3: Cross multiply
    12,968.13x = 19,448.12 × 4,201.01
  4. Step 4: Simplify right side
    12,968.13x = 81,701,725.60
  5. Step 5: Solve for x
    x = 81,701,725.60/12,968.13
  6. Step 6: Final answer
    x = 6,300.19

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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.