Home / 19,851.93-27,393.44-11,782.71

Finding the Fourth Proportional to 19,851.93, 27,393.44 and 11,782.71

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Solution

The fourth proportional to 19,851.93, 27,393.44 and 11,782.71 is: 16,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.93 : 27,393.44 = 11,782.71 : x
  2. Step 2: Convert to fraction form
    19,851.93/27,393.44 = 11,782.71/x
  3. Step 3: Cross multiply
    19,851.93x = 27,393.44 × 11,782.71
  4. Step 4: Simplify right side
    19,851.93x = 322,768,900.51
  5. Step 5: Solve for x
    x = 322,768,900.51/19,851.93
  6. Step 6: Final answer
    x = 16,258.82

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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.