Home / 19,831.76-27,373.08-12,273.68

Finding the Fourth Proportional to 19,831.76, 27,373.08 and 12,273.68

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Solution

The fourth proportional to 19,831.76, 27,373.08 and 12,273.68 is: 16,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.76 : 27,373.08 = 12,273.68 : x
  2. Step 2: Convert to fraction form
    19,831.76/27,373.08 = 12,273.68/x
  3. Step 3: Cross multiply
    19,831.76x = 27,373.08 × 12,273.68
  4. Step 4: Simplify right side
    19,831.76x = 335,968,424.53
  5. Step 5: Solve for x
    x = 335,968,424.53/19,831.76
  6. Step 6: Final answer
    x = 16,940.93

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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.