Home / 15,673.22-23,509.72-3,986.33

Finding the Fourth Proportional to 15,673.22, 23,509.72 and 3,986.33

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Solution

The fourth proportional to 15,673.22, 23,509.72 and 3,986.33 is: 5,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.22 : 23,509.72 = 3,986.33 : x
  2. Step 2: Convert to fraction form
    15,673.22/23,509.72 = 3,986.33/x
  3. Step 3: Cross multiply
    15,673.22x = 23,509.72 × 3,986.33
  4. Step 4: Simplify right side
    15,673.22x = 93,717,482.20
  5. Step 5: Solve for x
    x = 93,717,482.20/15,673.22
  6. Step 6: Final answer
    x = 5,979.47

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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.