Home / 19,603.44-29,405.10-4,812.18

Finding the Fourth Proportional to 19,603.44, 29,405.10 and 4,812.18

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Solution

The fourth proportional to 19,603.44, 29,405.10 and 4,812.18 is: 7,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.44 : 29,405.10 = 4,812.18 : x
  2. Step 2: Convert to fraction form
    19,603.44/29,405.10 = 4,812.18/x
  3. Step 3: Cross multiply
    19,603.44x = 29,405.10 × 4,812.18
  4. Step 4: Simplify right side
    19,603.44x = 141,502,634.12
  5. Step 5: Solve for x
    x = 141,502,634.12/19,603.44
  6. Step 6: Final answer
    x = 7,218.26

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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.