Home / 19,935.40-29,902.56-6,084.40

Finding the Fourth Proportional to 19,935.40, 29,902.56 and 6,084.40

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Solution

The fourth proportional to 19,935.40, 29,902.56 and 6,084.40 is: 9,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.40 : 29,902.56 = 6,084.40 : x
  2. Step 2: Convert to fraction form
    19,935.40/29,902.56 = 6,084.40/x
  3. Step 3: Cross multiply
    19,935.40x = 29,902.56 × 6,084.40
  4. Step 4: Simplify right side
    19,935.40x = 181,939,136.06
  5. Step 5: Solve for x
    x = 181,939,136.06/19,935.40
  6. Step 6: Final answer
    x = 9,126.44

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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.