Home / 19,203.75-26,508.47-12,919.77

Finding the Fourth Proportional to 19,203.75, 26,508.47 and 12,919.77

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Solution

The fourth proportional to 19,203.75, 26,508.47 and 12,919.77 is: 17,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.75 : 26,508.47 = 12,919.77 : x
  2. Step 2: Convert to fraction form
    19,203.75/26,508.47 = 12,919.77/x
  3. Step 3: Cross multiply
    19,203.75x = 26,508.47 × 12,919.77
  4. Step 4: Simplify right side
    19,203.75x = 342,483,270.85
  5. Step 5: Solve for x
    x = 342,483,270.85/19,203.75
  6. Step 6: Final answer
    x = 17,834.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.