Home / 19,036.16-28,549.68-7,943.01

Finding the Fourth Proportional to 19,036.16, 28,549.68 and 7,943.01

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Solution

The fourth proportional to 19,036.16, 28,549.68 and 7,943.01 is: 11,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.16 : 28,549.68 = 7,943.01 : x
  2. Step 2: Convert to fraction form
    19,036.16/28,549.68 = 7,943.01/x
  3. Step 3: Cross multiply
    19,036.16x = 28,549.68 × 7,943.01
  4. Step 4: Simplify right side
    19,036.16x = 226,770,393.74
  5. Step 5: Solve for x
    x = 226,770,393.74/19,036.16
  6. Step 6: Final answer
    x = 11,912.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.