Home / 14,048.24-21,065.10-5,161.30

Finding the Fourth Proportional to 14,048.24, 21,065.10 and 5,161.30

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Solution

The fourth proportional to 14,048.24, 21,065.10 and 5,161.30 is: 7,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.24 : 21,065.10 = 5,161.30 : x
  2. Step 2: Convert to fraction form
    14,048.24/21,065.10 = 5,161.30/x
  3. Step 3: Cross multiply
    14,048.24x = 21,065.10 × 5,161.30
  4. Step 4: Simplify right side
    14,048.24x = 108,723,300.63
  5. Step 5: Solve for x
    x = 108,723,300.63/14,048.24
  6. Step 6: Final answer
    x = 7,739.28

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1.5x scale

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.