Home / 19,603.56-29,404.86-4,812.36

Finding the Fourth Proportional to 19,603.56, 29,404.86 and 4,812.36

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Solution

The fourth proportional to 19,603.56, 29,404.86 and 4,812.36 is: 7,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.56 : 29,404.86 = 4,812.36 : x
  2. Step 2: Convert to fraction form
    19,603.56/29,404.86 = 4,812.36/x
  3. Step 3: Cross multiply
    19,603.56x = 29,404.86 × 4,812.36
  4. Step 4: Simplify right side
    19,603.56x = 141,506,772.07
  5. Step 5: Solve for x
    x = 141,506,772.07/19,603.56
  6. Step 6: Final answer
    x = 7,218.42

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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.