Home / 18,558.16-25,614.72-10,605.02

Finding the Fourth Proportional to 18,558.16, 25,614.72 and 10,605.02

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Solution

The fourth proportional to 18,558.16, 25,614.72 and 10,605.02 is: 14,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.16 : 25,614.72 = 10,605.02 : x
  2. Step 2: Convert to fraction form
    18,558.16/25,614.72 = 10,605.02/x
  3. Step 3: Cross multiply
    18,558.16x = 25,614.72 × 10,605.02
  4. Step 4: Simplify right side
    18,558.16x = 271,644,564.87
  5. Step 5: Solve for x
    x = 271,644,564.87/18,558.16
  6. Step 6: Final answer
    x = 14,637.48

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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.