Home / 19,582.90-29,374.41-6,436.30

Finding the Fourth Proportional to 19,582.90, 29,374.41 and 6,436.30

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Solution

The fourth proportional to 19,582.90, 29,374.41 and 6,436.30 is: 9,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.90 : 29,374.41 = 6,436.30 : x
  2. Step 2: Convert to fraction form
    19,582.90/29,374.41 = 6,436.30/x
  3. Step 3: Cross multiply
    19,582.90x = 29,374.41 × 6,436.30
  4. Step 4: Simplify right side
    19,582.90x = 189,062,515.08
  5. Step 5: Solve for x
    x = 189,062,515.08/19,582.90
  6. Step 6: Final answer
    x = 9,654.47

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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.