Home / 16,831.09-23,205.31-13,795.03

Finding the Fourth Proportional to 16,831.09, 23,205.31 and 13,795.03

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Solution

The fourth proportional to 16,831.09, 23,205.31 and 13,795.03 is: 19,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.09 : 23,205.31 = 13,795.03 : x
  2. Step 2: Convert to fraction form
    16,831.09/23,205.31 = 13,795.03/x
  3. Step 3: Cross multiply
    16,831.09x = 23,205.31 × 13,795.03
  4. Step 4: Simplify right side
    16,831.09x = 320,118,046.19
  5. Step 5: Solve for x
    x = 320,118,046.19/16,831.09
  6. Step 6: Final answer
    x = 19,019.45

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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.