Home / 19,707.93-29,513.83-10,355.78

Finding the Fourth Proportional to 19,707.93, 29,513.83 and 10,355.78

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Solution

The fourth proportional to 19,707.93, 29,513.83 and 10,355.78 is: 15,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.93 : 29,513.83 = 10,355.78 : x
  2. Step 2: Convert to fraction form
    19,707.93/29,513.83 = 10,355.78/x
  3. Step 3: Cross multiply
    19,707.93x = 29,513.83 × 10,355.78
  4. Step 4: Simplify right side
    19,707.93x = 305,638,730.44
  5. Step 5: Solve for x
    x = 305,638,730.44/19,707.93
  6. Step 6: Final answer
    x = 15,508.41

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1.5x scale

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.