Home / 19,670.75-27,145.95-10,718.26

Finding the Fourth Proportional to 19,670.75, 27,145.95 and 10,718.26

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Solution

The fourth proportional to 19,670.75, 27,145.95 and 10,718.26 is: 14,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.75 : 27,145.95 = 10,718.26 : x
  2. Step 2: Convert to fraction form
    19,670.75/27,145.95 = 10,718.26/x
  3. Step 3: Cross multiply
    19,670.75x = 27,145.95 × 10,718.26
  4. Step 4: Simplify right side
    19,670.75x = 290,957,350.05
  5. Step 5: Solve for x
    x = 290,957,350.05/19,670.75
  6. Step 6: Final answer
    x = 14,791.37

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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.