Home / 19,794.74-27,315.68-10,840.55

Finding the Fourth Proportional to 19,794.74, 27,315.68 and 10,840.55

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Solution

The fourth proportional to 19,794.74, 27,315.68 and 10,840.55 is: 14,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.74 : 27,315.68 = 10,840.55 : x
  2. Step 2: Convert to fraction form
    19,794.74/27,315.68 = 10,840.55/x
  3. Step 3: Cross multiply
    19,794.74x = 27,315.68 × 10,840.55
  4. Step 4: Simplify right side
    19,794.74x = 296,116,804.04
  5. Step 5: Solve for x
    x = 296,116,804.04/19,794.74
  6. Step 6: Final answer
    x = 14,959.37

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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.