Home / 15,485.07-23,229.69-4,391.52

Finding the Fourth Proportional to 15,485.07, 23,229.69 and 4,391.52

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Solution

The fourth proportional to 15,485.07, 23,229.69 and 4,391.52 is: 6,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.07 : 23,229.69 = 4,391.52 : x
  2. Step 2: Convert to fraction form
    15,485.07/23,229.69 = 4,391.52/x
  3. Step 3: Cross multiply
    15,485.07x = 23,229.69 × 4,391.52
  4. Step 4: Simplify right side
    15,485.07x = 102,013,544.65
  5. Step 5: Solve for x
    x = 102,013,544.65/15,485.07
  6. Step 6: Final answer
    x = 6,587.86

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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.