Home / 28,816.37-43,214.16-12,177.69

Finding the Fourth Proportional to 28,816.37, 43,214.16 and 12,177.69

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Solution

The fourth proportional to 28,816.37, 43,214.16 and 12,177.69 is: 18,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.37 : 43,214.16 = 12,177.69 : x
  2. Step 2: Convert to fraction form
    28,816.37/43,214.16 = 12,177.69/x
  3. Step 3: Cross multiply
    28,816.37x = 43,214.16 × 12,177.69
  4. Step 4: Simplify right side
    28,816.37x = 526,248,544.41
  5. Step 5: Solve for x
    x = 526,248,544.41/28,816.37
  6. Step 6: Final answer
    x = 18,262.14

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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.