Home / 12,050.43-18,006.57-9,185.06

Finding the Fourth Proportional to 12,050.43, 18,006.57 and 9,185.06

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Solution

The fourth proportional to 12,050.43, 18,006.57 and 9,185.06 is: 13,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.43 : 18,006.57 = 9,185.06 : x
  2. Step 2: Convert to fraction form
    12,050.43/18,006.57 = 9,185.06/x
  3. Step 3: Cross multiply
    12,050.43x = 18,006.57 × 9,185.06
  4. Step 4: Simplify right side
    12,050.43x = 165,391,335.81
  5. Step 5: Solve for x
    x = 165,391,335.81/12,050.43
  6. Step 6: Final answer
    x = 13,724.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.