Home / 19,701.38-27,185.46-12,048.50

Finding the Fourth Proportional to 19,701.38, 27,185.46 and 12,048.50

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Solution

The fourth proportional to 19,701.38, 27,185.46 and 12,048.50 is: 16,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.38 : 27,185.46 = 12,048.50 : x
  2. Step 2: Convert to fraction form
    19,701.38/27,185.46 = 12,048.50/x
  3. Step 3: Cross multiply
    19,701.38x = 27,185.46 × 12,048.50
  4. Step 4: Simplify right side
    19,701.38x = 327,544,014.81
  5. Step 5: Solve for x
    x = 327,544,014.81/19,701.38
  6. Step 6: Final answer
    x = 16,625.44

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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.