Home / 22,658.04-31,283.16-14,172.96

Finding the Fourth Proportional to 22,658.04, 31,283.16 and 14,172.96

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Solution

The fourth proportional to 22,658.04, 31,283.16 and 14,172.96 is: 19,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.04 : 31,283.16 = 14,172.96 : x
  2. Step 2: Convert to fraction form
    22,658.04/31,283.16 = 14,172.96/x
  3. Step 3: Cross multiply
    22,658.04x = 31,283.16 × 14,172.96
  4. Step 4: Simplify right side
    22,658.04x = 443,374,975.35
  5. Step 5: Solve for x
    x = 443,374,975.35/22,658.04
  6. Step 6: Final answer
    x = 19,568.11

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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.