Home / 19,840.06-27,381.81-11,454.94

Finding the Fourth Proportional to 19,840.06, 27,381.81 and 11,454.94

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Solution

The fourth proportional to 19,840.06, 27,381.81 and 11,454.94 is: 15,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.06 : 27,381.81 = 11,454.94 : x
  2. Step 2: Convert to fraction form
    19,840.06/27,381.81 = 11,454.94/x
  3. Step 3: Cross multiply
    19,840.06x = 27,381.81 × 11,454.94
  4. Step 4: Simplify right side
    19,840.06x = 313,656,990.64
  5. Step 5: Solve for x
    x = 313,656,990.64/19,840.06
  6. Step 6: Final answer
    x = 15,809.28

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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.