Home / 23,087.45-31,860.57-12,477.06

Finding the Fourth Proportional to 23,087.45, 31,860.57 and 12,477.06

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Solution

The fourth proportional to 23,087.45, 31,860.57 and 12,477.06 is: 17,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,087.45 : 31,860.57 = 12,477.06 : x
  2. Step 2: Convert to fraction form
    23,087.45/31,860.57 = 12,477.06/x
  3. Step 3: Cross multiply
    23,087.45x = 31,860.57 × 12,477.06
  4. Step 4: Simplify right side
    23,087.45x = 397,526,243.52
  5. Step 5: Solve for x
    x = 397,526,243.52/23,087.45
  6. Step 6: Final answer
    x = 17,218.29

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1.5x scale

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.