Home / 14,105.24-21,158.33-5,340.77

Finding the Fourth Proportional to 14,105.24, 21,158.33 and 5,340.77

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Solution

The fourth proportional to 14,105.24, 21,158.33 and 5,340.77 is: 8,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.24 : 21,158.33 = 5,340.77 : x
  2. Step 2: Convert to fraction form
    14,105.24/21,158.33 = 5,340.77/x
  3. Step 3: Cross multiply
    14,105.24x = 21,158.33 × 5,340.77
  4. Step 4: Simplify right side
    14,105.24x = 113,001,641.62
  5. Step 5: Solve for x
    x = 113,001,641.62/14,105.24
  6. Step 6: Final answer
    x = 8,011.33

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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.