Home / 12,020.44-16,585.14-7,304.80

Finding the Fourth Proportional to 12,020.44, 16,585.14 and 7,304.80

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Solution

The fourth proportional to 12,020.44, 16,585.14 and 7,304.80 is: 10,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.44 : 16,585.14 = 7,304.80 : x
  2. Step 2: Convert to fraction form
    12,020.44/16,585.14 = 7,304.80/x
  3. Step 3: Cross multiply
    12,020.44x = 16,585.14 × 7,304.80
  4. Step 4: Simplify right side
    12,020.44x = 121,151,130.67
  5. Step 5: Solve for x
    x = 121,151,130.67/12,020.44
  6. Step 6: Final answer
    x = 10,078.76

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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.