Home / 22,621.07-33,920.80-13,263.93

Finding the Fourth Proportional to 22,621.07, 33,920.80 and 13,263.93

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Solution

The fourth proportional to 22,621.07, 33,920.80 and 13,263.93 is: 19,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.07 : 33,920.80 = 13,263.93 : x
  2. Step 2: Convert to fraction form
    22,621.07/33,920.80 = 13,263.93/x
  3. Step 3: Cross multiply
    22,621.07x = 33,920.80 × 13,263.93
  4. Step 4: Simplify right side
    22,621.07x = 449,923,210.79
  5. Step 5: Solve for x
    x = 449,923,210.79/22,621.07
  6. Step 6: Final answer
    x = 19,889.57

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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.