Home / 18,455.93-27,637.59-11,406.98

Finding the Fourth Proportional to 18,455.93, 27,637.59 and 11,406.98

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Solution

The fourth proportional to 18,455.93, 27,637.59 and 11,406.98 is: 17,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.93 : 27,637.59 = 11,406.98 : x
  2. Step 2: Convert to fraction form
    18,455.93/27,637.59 = 11,406.98/x
  3. Step 3: Cross multiply
    18,455.93x = 27,637.59 × 11,406.98
  4. Step 4: Simplify right side
    18,455.93x = 315,261,436.38
  5. Step 5: Solve for x
    x = 315,261,436.38/18,455.93
  6. Step 6: Final answer
    x = 17,081.85

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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.