Home / 23,879.72-32,968.92-15,386.06

Finding the Fourth Proportional to 23,879.72, 32,968.92 and 15,386.06

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Solution

The fourth proportional to 23,879.72, 32,968.92 and 15,386.06 is: 21,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.72 : 32,968.92 = 15,386.06 : x
  2. Step 2: Convert to fraction form
    23,879.72/32,968.92 = 15,386.06/x
  3. Step 3: Cross multiply
    23,879.72x = 32,968.92 × 15,386.06
  4. Step 4: Simplify right side
    23,879.72x = 507,261,781.26
  5. Step 5: Solve for x
    x = 507,261,781.26/23,879.72
  6. Step 6: Final answer
    x = 21,242.37

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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.