Home / 19,655.47-27,125.43-11,589.46

Finding the Fourth Proportional to 19,655.47, 27,125.43 and 11,589.46

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Solution

The fourth proportional to 19,655.47, 27,125.43 and 11,589.46 is: 15,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.47 : 27,125.43 = 11,589.46 : x
  2. Step 2: Convert to fraction form
    19,655.47/27,125.43 = 11,589.46/x
  3. Step 3: Cross multiply
    19,655.47x = 27,125.43 × 11,589.46
  4. Step 4: Simplify right side
    19,655.47x = 314,369,085.97
  5. Step 5: Solve for x
    x = 314,369,085.97/19,655.47
  6. Step 6: Final answer
    x = 15,993.97

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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.