Home / 19,460.94-29,188.95-5,422.02

Finding the Fourth Proportional to 19,460.94, 29,188.95 and 5,422.02

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Solution

The fourth proportional to 19,460.94, 29,188.95 and 5,422.02 is: 8,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.94 : 29,188.95 = 5,422.02 : x
  2. Step 2: Convert to fraction form
    19,460.94/29,188.95 = 5,422.02/x
  3. Step 3: Cross multiply
    19,460.94x = 29,188.95 × 5,422.02
  4. Step 4: Simplify right side
    19,460.94x = 158,263,070.68
  5. Step 5: Solve for x
    x = 158,263,070.68/19,460.94
  6. Step 6: Final answer
    x = 8,132.34

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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.