Home / 18,475.63-27,710.11-5,324.77

Finding the Fourth Proportional to 18,475.63, 27,710.11 and 5,324.77

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Solution

The fourth proportional to 18,475.63, 27,710.11 and 5,324.77 is: 7,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.63 : 27,710.11 = 5,324.77 : x
  2. Step 2: Convert to fraction form
    18,475.63/27,710.11 = 5,324.77/x
  3. Step 3: Cross multiply
    18,475.63x = 27,710.11 × 5,324.77
  4. Step 4: Simplify right side
    18,475.63x = 147,549,962.42
  5. Step 5: Solve for x
    x = 147,549,962.42/18,475.63
  6. Step 6: Final answer
    x = 7,986.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.