Home / 14,475.12-21,712.67-4,086.87

Finding the Fourth Proportional to 14,475.12, 21,712.67 and 4,086.87

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Solution

The fourth proportional to 14,475.12, 21,712.67 and 4,086.87 is: 6,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.12 : 21,712.67 = 4,086.87 : x
  2. Step 2: Convert to fraction form
    14,475.12/21,712.67 = 4,086.87/x
  3. Step 3: Cross multiply
    14,475.12x = 21,712.67 × 4,086.87
  4. Step 4: Simplify right side
    14,475.12x = 88,736,839.21
  5. Step 5: Solve for x
    x = 88,736,839.21/14,475.12
  6. Step 6: Final answer
    x = 6,130.30

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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.