Home / 19,968.08-27,555.95-11,015.61

Finding the Fourth Proportional to 19,968.08, 27,555.95 and 11,015.61

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Solution

The fourth proportional to 19,968.08, 27,555.95 and 11,015.61 is: 15,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.08 : 27,555.95 = 11,015.61 : x
  2. Step 2: Convert to fraction form
    19,968.08/27,555.95 = 11,015.61/x
  3. Step 3: Cross multiply
    19,968.08x = 27,555.95 × 11,015.61
  4. Step 4: Simplify right side
    19,968.08x = 303,545,598.38
  5. Step 5: Solve for x
    x = 303,545,598.38/19,968.08
  6. Step 6: Final answer
    x = 15,201.54

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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.