Home / 22,838.16-31,531.32-14,351.88

Finding the Fourth Proportional to 22,838.16, 31,531.32 and 14,351.88

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Solution

The fourth proportional to 22,838.16, 31,531.32 and 14,351.88 is: 19,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.16 : 31,531.32 = 14,351.88 : x
  2. Step 2: Convert to fraction form
    22,838.16/31,531.32 = 14,351.88/x
  3. Step 3: Cross multiply
    22,838.16x = 31,531.32 × 14,351.88
  4. Step 4: Simplify right side
    22,838.16x = 452,533,720.88
  5. Step 5: Solve for x
    x = 452,533,720.88/22,838.16
  6. Step 6: Final answer
    x = 19,814.81

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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.