Home / 18,976.19-26,185.78-10,476.94

Finding the Fourth Proportional to 18,976.19, 26,185.78 and 10,476.94

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Solution

The fourth proportional to 18,976.19, 26,185.78 and 10,476.94 is: 14,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.19 : 26,185.78 = 10,476.94 : x
  2. Step 2: Convert to fraction form
    18,976.19/26,185.78 = 10,476.94/x
  3. Step 3: Cross multiply
    18,976.19x = 26,185.78 × 10,476.94
  4. Step 4: Simplify right side
    18,976.19x = 274,346,845.91
  5. Step 5: Solve for x
    x = 274,346,845.91/18,976.19
  6. Step 6: Final answer
    x = 14,457.43

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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.