Home / 16,112.74-22,235.80-12,072.40

Finding the Fourth Proportional to 16,112.74, 22,235.80 and 12,072.40

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Solution

The fourth proportional to 16,112.74, 22,235.80 and 12,072.40 is: 16,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.74 : 22,235.80 = 12,072.40 : x
  2. Step 2: Convert to fraction form
    16,112.74/22,235.80 = 12,072.40/x
  3. Step 3: Cross multiply
    16,112.74x = 22,235.80 × 12,072.40
  4. Step 4: Simplify right side
    16,112.74x = 268,439,471.92
  5. Step 5: Solve for x
    x = 268,439,471.92/16,112.74
  6. Step 6: Final answer
    x = 16,660.08

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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.