Home / 14,488.18-21,731.86-4,628.05

Finding the Fourth Proportional to 14,488.18, 21,731.86 and 4,628.05

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Solution

The fourth proportional to 14,488.18, 21,731.86 and 4,628.05 is: 6,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.18 : 21,731.86 = 4,628.05 : x
  2. Step 2: Convert to fraction form
    14,488.18/21,731.86 = 4,628.05/x
  3. Step 3: Cross multiply
    14,488.18x = 21,731.86 × 4,628.05
  4. Step 4: Simplify right side
    14,488.18x = 100,576,208.37
  5. Step 5: Solve for x
    x = 100,576,208.37/14,488.18
  6. Step 6: Final answer
    x = 6,941.95

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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.