Home / 19,133.80-28,702.85-5,094.37

Finding the Fourth Proportional to 19,133.80, 28,702.85 and 5,094.37

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Solution

The fourth proportional to 19,133.80, 28,702.85 and 5,094.37 is: 7,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.80 : 28,702.85 = 5,094.37 : x
  2. Step 2: Convert to fraction form
    19,133.80/28,702.85 = 5,094.37/x
  3. Step 3: Cross multiply
    19,133.80x = 28,702.85 × 5,094.37
  4. Step 4: Simplify right side
    19,133.80x = 146,222,912.48
  5. Step 5: Solve for x
    x = 146,222,912.48/19,133.80
  6. Step 6: Final answer
    x = 7,642.13

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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.