Home / 27,135.09-37,442.07-15,198.93

Finding the Fourth Proportional to 27,135.09, 37,442.07 and 15,198.93

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Solution

The fourth proportional to 27,135.09, 37,442.07 and 15,198.93 is: 20,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.09 : 37,442.07 = 15,198.93 : x
  2. Step 2: Convert to fraction form
    27,135.09/37,442.07 = 15,198.93/x
  3. Step 3: Cross multiply
    27,135.09x = 37,442.07 × 15,198.93
  4. Step 4: Simplify right side
    27,135.09x = 569,079,400.99
  5. Step 5: Solve for x
    x = 569,079,400.99/27,135.09
  6. Step 6: Final answer
    x = 20,972.08

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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.