Home / 19,831.42-27,365.33-11,873.44

Finding the Fourth Proportional to 19,831.42, 27,365.33 and 11,873.44

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Solution

The fourth proportional to 19,831.42, 27,365.33 and 11,873.44 is: 16,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.42 : 27,365.33 = 11,873.44 : x
  2. Step 2: Convert to fraction form
    19,831.42/27,365.33 = 11,873.44/x
  3. Step 3: Cross multiply
    19,831.42x = 27,365.33 × 11,873.44
  4. Step 4: Simplify right side
    19,831.42x = 324,920,407.64
  5. Step 5: Solve for x
    x = 324,920,407.64/19,831.42
  6. Step 6: Final answer
    x = 16,384.13

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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.