Home / 19,135.08-28,702.67-5,808.18

Finding the Fourth Proportional to 19,135.08, 28,702.67 and 5,808.18

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Solution

The fourth proportional to 19,135.08, 28,702.67 and 5,808.18 is: 8,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.08 : 28,702.67 = 5,808.18 : x
  2. Step 2: Convert to fraction form
    19,135.08/28,702.67 = 5,808.18/x
  3. Step 3: Cross multiply
    19,135.08x = 28,702.67 × 5,808.18
  4. Step 4: Simplify right side
    19,135.08x = 166,710,130.33
  5. Step 5: Solve for x
    x = 166,710,130.33/19,135.08
  6. Step 6: Final answer
    x = 8,712.28

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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.