Home / 35,162.51-52,738.08-12,986.33

Finding the Fourth Proportional to 35,162.51, 52,738.08 and 12,986.33

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Solution

The fourth proportional to 35,162.51, 52,738.08 and 12,986.33 is: 19,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,162.51 : 52,738.08 = 12,986.33 : x
  2. Step 2: Convert to fraction form
    35,162.51/52,738.08 = 12,986.33/x
  3. Step 3: Cross multiply
    35,162.51x = 52,738.08 × 12,986.33
  4. Step 4: Simplify right side
    35,162.51x = 684,874,290.99
  5. Step 5: Solve for x
    x = 684,874,290.99/35,162.51
  6. Step 6: Final answer
    x = 19,477.40

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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.