Home / 13,908.24-20,865.48-4,674

Finding the Fourth Proportional to 13,908.24, 20,865.48 and 4,674

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Solution

The fourth proportional to 13,908.24, 20,865.48 and 4,674 is: 7,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.24 : 20,865.48 = 4,674 : x
  2. Step 2: Convert to fraction form
    13,908.24/20,865.48 = 4,674/x
  3. Step 3: Cross multiply
    13,908.24x = 20,865.48 × 4,674
  4. Step 4: Simplify right side
    13,908.24x = 97,525,253.52
  5. Step 5: Solve for x
    x = 97,525,253.52/13,908.24
  6. Step 6: Final answer
    x = 7,012.05

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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.