Home / 19,970.94-27,559.71-11,018.52

Finding the Fourth Proportional to 19,970.94, 27,559.71 and 11,018.52

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Solution

The fourth proportional to 19,970.94, 27,559.71 and 11,018.52 is: 15,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.94 : 27,559.71 = 11,018.52 : x
  2. Step 2: Convert to fraction form
    19,970.94/27,559.71 = 11,018.52/x
  3. Step 3: Cross multiply
    19,970.94x = 27,559.71 × 11,018.52
  4. Step 4: Simplify right side
    19,970.94x = 303,667,215.83
  5. Step 5: Solve for x
    x = 303,667,215.83/19,970.94
  6. Step 6: Final answer
    x = 15,205.45

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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.