Home / 20,062.98-27,686.67-11,110.99

Finding the Fourth Proportional to 20,062.98, 27,686.67 and 11,110.99

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Solution

The fourth proportional to 20,062.98, 27,686.67 and 11,110.99 is: 15,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.98 : 27,686.67 = 11,110.99 : x
  2. Step 2: Convert to fraction form
    20,062.98/27,686.67 = 11,110.99/x
  3. Step 3: Cross multiply
    20,062.98x = 27,686.67 × 11,110.99
  4. Step 4: Simplify right side
    20,062.98x = 307,626,313.50
  5. Step 5: Solve for x
    x = 307,626,313.50/20,062.98
  6. Step 6: Final answer
    x = 15,333.03

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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.