Home / 26,702.12-40,053.98-6,980.36

Finding the Fourth Proportional to 26,702.12, 40,053.98 and 6,980.36

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Solution

The fourth proportional to 26,702.12, 40,053.98 and 6,980.36 is: 10,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.12 : 40,053.98 = 6,980.36 : x
  2. Step 2: Convert to fraction form
    26,702.12/40,053.98 = 6,980.36/x
  3. Step 3: Cross multiply
    26,702.12x = 40,053.98 × 6,980.36
  4. Step 4: Simplify right side
    26,702.12x = 279,591,199.83
  5. Step 5: Solve for x
    x = 279,591,199.83/26,702.12
  6. Step 6: Final answer
    x = 10,470.75

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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.