Home / 22,014.72-30,376.08-12,581.28

Finding the Fourth Proportional to 22,014.72, 30,376.08 and 12,581.28

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Solution

The fourth proportional to 22,014.72, 30,376.08 and 12,581.28 is: 17,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.72 : 30,376.08 = 12,581.28 : x
  2. Step 2: Convert to fraction form
    22,014.72/30,376.08 = 12,581.28/x
  3. Step 3: Cross multiply
    22,014.72x = 30,376.08 × 12,581.28
  4. Step 4: Simplify right side
    22,014.72x = 382,169,967.78
  5. Step 5: Solve for x
    x = 382,169,967.78/22,014.72
  6. Step 6: Final answer
    x = 17,359.75

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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.