Home / 19,581.30-29,376.63-6,432.93

Finding the Fourth Proportional to 19,581.30, 29,376.63 and 6,432.93

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Solution

The fourth proportional to 19,581.30, 29,376.63 and 6,432.93 is: 9,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.30 : 29,376.63 = 6,432.93 : x
  2. Step 2: Convert to fraction form
    19,581.30/29,376.63 = 6,432.93/x
  3. Step 3: Cross multiply
    19,581.30x = 29,376.63 × 6,432.93
  4. Step 4: Simplify right side
    19,581.30x = 188,977,804.43
  5. Step 5: Solve for x
    x = 188,977,804.43/19,581.30
  6. Step 6: Final answer
    x = 9,650.93

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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.