Home / 13,144.91-18,140.01-7,176.63

Finding the Fourth Proportional to 13,144.91, 18,140.01 and 7,176.63

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Solution

The fourth proportional to 13,144.91, 18,140.01 and 7,176.63 is: 9,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.91 : 18,140.01 = 7,176.63 : x
  2. Step 2: Convert to fraction form
    13,144.91/18,140.01 = 7,176.63/x
  3. Step 3: Cross multiply
    13,144.91x = 18,140.01 × 7,176.63
  4. Step 4: Simplify right side
    13,144.91x = 130,184,139.97
  5. Step 5: Solve for x
    x = 130,184,139.97/13,144.91
  6. Step 6: Final answer
    x = 9,903.77

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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.