Home / 19,826.43-29,730.45-7,345.95

Finding the Fourth Proportional to 19,826.43, 29,730.45 and 7,345.95

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Solution

The fourth proportional to 19,826.43, 29,730.45 and 7,345.95 is: 11,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.43 : 29,730.45 = 7,345.95 : x
  2. Step 2: Convert to fraction form
    19,826.43/29,730.45 = 7,345.95/x
  3. Step 3: Cross multiply
    19,826.43x = 29,730.45 × 7,345.95
  4. Step 4: Simplify right side
    19,826.43x = 218,398,399.18
  5. Step 5: Solve for x
    x = 218,398,399.18/19,826.43
  6. Step 6: Final answer
    x = 11,015.52

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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.