Home / 22,871.64-34,247.10-18,405.48

Finding the Fourth Proportional to 22,871.64, 34,247.10 and 18,405.48

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Solution

The fourth proportional to 22,871.64, 34,247.10 and 18,405.48 is: 27,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,871.64 : 34,247.10 = 18,405.48 : x
  2. Step 2: Convert to fraction form
    22,871.64/34,247.10 = 18,405.48/x
  3. Step 3: Cross multiply
    22,871.64x = 34,247.10 × 18,405.48
  4. Step 4: Simplify right side
    22,871.64x = 630,334,314.11
  5. Step 5: Solve for x
    x = 630,334,314.11/22,871.64
  6. Step 6: Final answer
    x = 27,559.65

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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.