Home / 19,830.76-29,746.32-6,503.56

Finding the Fourth Proportional to 19,830.76, 29,746.32 and 6,503.56

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Solution

The fourth proportional to 19,830.76, 29,746.32 and 6,503.56 is: 9,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.76 : 29,746.32 = 6,503.56 : x
  2. Step 2: Convert to fraction form
    19,830.76/29,746.32 = 6,503.56/x
  3. Step 3: Cross multiply
    19,830.76x = 29,746.32 × 6,503.56
  4. Step 4: Simplify right side
    19,830.76x = 193,456,976.90
  5. Step 5: Solve for x
    x = 193,456,976.90/19,830.76
  6. Step 6: Final answer
    x = 9,755.40

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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.