Home / 19,356.52-26,708.79-11,395.84

Finding the Fourth Proportional to 19,356.52, 26,708.79 and 11,395.84

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Solution

The fourth proportional to 19,356.52, 26,708.79 and 11,395.84 is: 15,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.52 : 26,708.79 = 11,395.84 : x
  2. Step 2: Convert to fraction form
    19,356.52/26,708.79 = 11,395.84/x
  3. Step 3: Cross multiply
    19,356.52x = 26,708.79 × 11,395.84
  4. Step 4: Simplify right side
    19,356.52x = 304,369,097.43
  5. Step 5: Solve for x
    x = 304,369,097.43/19,356.52
  6. Step 6: Final answer
    x = 15,724.37

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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.