Home / 19,831.03-27,365.75-11,333.93

Finding the Fourth Proportional to 19,831.03, 27,365.75 and 11,333.93

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Solution

The fourth proportional to 19,831.03, 27,365.75 and 11,333.93 is: 15,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.03 : 27,365.75 = 11,333.93 : x
  2. Step 2: Convert to fraction form
    19,831.03/27,365.75 = 11,333.93/x
  3. Step 3: Cross multiply
    19,831.03x = 27,365.75 × 11,333.93
  4. Step 4: Simplify right side
    19,831.03x = 310,161,343.90
  5. Step 5: Solve for x
    x = 310,161,343.90/19,831.03
  6. Step 6: Final answer
    x = 15,640.21

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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.