Home / 19,551.86-29,323.28-11,656.60

Finding the Fourth Proportional to 19,551.86, 29,323.28 and 11,656.60

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Solution

The fourth proportional to 19,551.86, 29,323.28 and 11,656.60 is: 17,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.86 : 29,323.28 = 11,656.60 : x
  2. Step 2: Convert to fraction form
    19,551.86/29,323.28 = 11,656.60/x
  3. Step 3: Cross multiply
    19,551.86x = 29,323.28 × 11,656.60
  4. Step 4: Simplify right side
    19,551.86x = 341,809,745.65
  5. Step 5: Solve for x
    x = 341,809,745.65/19,551.86
  6. Step 6: Final answer
    x = 17,482.21

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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.