Home / 19,439.97-26,840.07-14,955.81

Finding the Fourth Proportional to 19,439.97, 26,840.07 and 14,955.81

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Solution

The fourth proportional to 19,439.97, 26,840.07 and 14,955.81 is: 20,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.97 : 26,840.07 = 14,955.81 : x
  2. Step 2: Convert to fraction form
    19,439.97/26,840.07 = 14,955.81/x
  3. Step 3: Cross multiply
    19,439.97x = 26,840.07 × 14,955.81
  4. Step 4: Simplify right side
    19,439.97x = 401,414,987.31
  5. Step 5: Solve for x
    x = 401,414,987.31/19,439.97
  6. Step 6: Final answer
    x = 20,648.95

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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.