Home / 19,220.02-28,831.71-5,369.06

Finding the Fourth Proportional to 19,220.02, 28,831.71 and 5,369.06

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Solution

The fourth proportional to 19,220.02, 28,831.71 and 5,369.06 is: 8,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.02 : 28,831.71 = 5,369.06 : x
  2. Step 2: Convert to fraction form
    19,220.02/28,831.71 = 5,369.06/x
  3. Step 3: Cross multiply
    19,220.02x = 28,831.71 × 5,369.06
  4. Step 4: Simplify right side
    19,220.02x = 154,799,180.89
  5. Step 5: Solve for x
    x = 154,799,180.89/19,220.02
  6. Step 6: Final answer
    x = 8,054.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.