Home / 25,008.72-34,480.80-18,288.96

Finding the Fourth Proportional to 25,008.72, 34,480.80 and 18,288.96

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Solution

The fourth proportional to 25,008.72, 34,480.80 and 18,288.96 is: 25,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,008.72 : 34,480.80 = 18,288.96 : x
  2. Step 2: Convert to fraction form
    25,008.72/34,480.80 = 18,288.96/x
  3. Step 3: Cross multiply
    25,008.72x = 34,480.80 × 18,288.96
  4. Step 4: Simplify right side
    25,008.72x = 630,617,971.97
  5. Step 5: Solve for x
    x = 630,617,971.97/25,008.72
  6. Step 6: Final answer
    x = 25,215.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.