Home / 22,720.07-34,080.23-7,928.93

Finding the Fourth Proportional to 22,720.07, 34,080.23 and 7,928.93

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Solution

The fourth proportional to 22,720.07, 34,080.23 and 7,928.93 is: 11,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.07 : 34,080.23 = 7,928.93 : x
  2. Step 2: Convert to fraction form
    22,720.07/34,080.23 = 7,928.93/x
  3. Step 3: Cross multiply
    22,720.07x = 34,080.23 × 7,928.93
  4. Step 4: Simplify right side
    22,720.07x = 270,219,758.05
  5. Step 5: Solve for x
    x = 270,219,758.05/22,720.07
  6. Step 6: Final answer
    x = 11,893.44

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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.