Home / 19,439.22-26,839.04-14,955.06

Finding the Fourth Proportional to 19,439.22, 26,839.04 and 14,955.06

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Solution

The fourth proportional to 19,439.22, 26,839.04 and 14,955.06 is: 20,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.22 : 26,839.04 = 14,955.06 : x
  2. Step 2: Convert to fraction form
    19,439.22/26,839.04 = 14,955.06/x
  3. Step 3: Cross multiply
    19,439.22x = 26,839.04 × 14,955.06
  4. Step 4: Simplify right side
    19,439.22x = 401,379,378.77
  5. Step 5: Solve for x
    x = 401,379,378.77/19,439.22
  6. Step 6: Final answer
    x = 20,647.92

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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.