Home / 19,583.29-29,368.72-6,432.60

Finding the Fourth Proportional to 19,583.29, 29,368.72 and 6,432.60

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Solution

The fourth proportional to 19,583.29, 29,368.72 and 6,432.60 is: 9,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.29 : 29,368.72 = 6,432.60 : x
  2. Step 2: Convert to fraction form
    19,583.29/29,368.72 = 6,432.60/x
  3. Step 3: Cross multiply
    19,583.29x = 29,368.72 × 6,432.60
  4. Step 4: Simplify right side
    19,583.29x = 188,917,196.11
  5. Step 5: Solve for x
    x = 188,917,196.11/19,583.29
  6. Step 6: Final answer
    x = 9,646.86

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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.