Home / 26,585.61-39,884.13-13,265.77

Finding the Fourth Proportional to 26,585.61, 39,884.13 and 13,265.77

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Solution

The fourth proportional to 26,585.61, 39,884.13 and 13,265.77 is: 19,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,585.61 : 39,884.13 = 13,265.77 : x
  2. Step 2: Convert to fraction form
    26,585.61/39,884.13 = 13,265.77/x
  3. Step 3: Cross multiply
    26,585.61x = 39,884.13 × 13,265.77
  4. Step 4: Simplify right side
    26,585.61x = 529,093,695.23
  5. Step 5: Solve for x
    x = 529,093,695.23/26,585.61
  6. Step 6: Final answer
    x = 19,901.51

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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.