Home / 26,980.49-40,455.06-8,255.18

Finding the Fourth Proportional to 26,980.49, 40,455.06 and 8,255.18

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Solution

The fourth proportional to 26,980.49, 40,455.06 and 8,255.18 is: 12,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.49 : 40,455.06 = 8,255.18 : x
  2. Step 2: Convert to fraction form
    26,980.49/40,455.06 = 8,255.18/x
  3. Step 3: Cross multiply
    26,980.49x = 40,455.06 × 8,255.18
  4. Step 4: Simplify right side
    26,980.49x = 333,963,802.21
  5. Step 5: Solve for x
    x = 333,963,802.21/26,980.49
  6. Step 6: Final answer
    x = 12,377.97

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1.5x scale

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.