Home / 19,619.32-29,428.20-4,827.52

Finding the Fourth Proportional to 19,619.32, 29,428.20 and 4,827.52

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Solution

The fourth proportional to 19,619.32, 29,428.20 and 4,827.52 is: 7,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.32 : 29,428.20 = 4,827.52 : x
  2. Step 2: Convert to fraction form
    19,619.32/29,428.20 = 4,827.52/x
  3. Step 3: Cross multiply
    19,619.32x = 29,428.20 × 4,827.52
  4. Step 4: Simplify right side
    19,619.32x = 142,065,224.06
  5. Step 5: Solve for x
    x = 142,065,224.06/19,619.32
  6. Step 6: Final answer
    x = 7,241.09

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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.