Home / 19,583.64-26,981.10-18,650.52

Finding the Fourth Proportional to 19,583.64, 26,981.10 and 18,650.52

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Solution

The fourth proportional to 19,583.64, 26,981.10 and 18,650.52 is: 25,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.64 : 26,981.10 = 18,650.52 : x
  2. Step 2: Convert to fraction form
    19,583.64/26,981.10 = 18,650.52/x
  3. Step 3: Cross multiply
    19,583.64x = 26,981.10 × 18,650.52
  4. Step 4: Simplify right side
    19,583.64x = 503,211,545.17
  5. Step 5: Solve for x
    x = 503,211,545.17/19,583.64
  6. Step 6: Final answer
    x = 25,695.51

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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.