Home / 19,511.47-29,255.05-6,361.93

Finding the Fourth Proportional to 19,511.47, 29,255.05 and 6,361.93

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Solution

The fourth proportional to 19,511.47, 29,255.05 and 6,361.93 is: 9,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.47 : 29,255.05 = 6,361.93 : x
  2. Step 2: Convert to fraction form
    19,511.47/29,255.05 = 6,361.93/x
  3. Step 3: Cross multiply
    19,511.47x = 29,255.05 × 6,361.93
  4. Step 4: Simplify right side
    19,511.47x = 186,118,580.25
  5. Step 5: Solve for x
    x = 186,118,580.25/19,511.47
  6. Step 6: Final answer
    x = 9,538.93

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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.