Home / 26,664.99-36,802.17-20,281.32

Finding the Fourth Proportional to 26,664.99, 36,802.17 and 20,281.32

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Solution

The fourth proportional to 26,664.99, 36,802.17 and 20,281.32 is: 27,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.99 : 36,802.17 = 20,281.32 : x
  2. Step 2: Convert to fraction form
    26,664.99/36,802.17 = 20,281.32/x
  3. Step 3: Cross multiply
    26,664.99x = 36,802.17 × 20,281.32
  4. Step 4: Simplify right side
    26,664.99x = 746,396,586.46
  5. Step 5: Solve for x
    x = 746,396,586.46/26,664.99
  6. Step 6: Final answer
    x = 27,991.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.