Home / 17,686.36-26,520.41-5,204.77

Finding the Fourth Proportional to 17,686.36, 26,520.41 and 5,204.77

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Solution

The fourth proportional to 17,686.36, 26,520.41 and 5,204.77 is: 7,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.36 : 26,520.41 = 5,204.77 : x
  2. Step 2: Convert to fraction form
    17,686.36/26,520.41 = 5,204.77/x
  3. Step 3: Cross multiply
    17,686.36x = 26,520.41 × 5,204.77
  4. Step 4: Simplify right side
    17,686.36x = 138,032,501.75
  5. Step 5: Solve for x
    x = 138,032,501.75/17,686.36
  6. Step 6: Final answer
    x = 7,804.46

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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.