Home / 13,879.57-19,154.26-7,591.94

Finding the Fourth Proportional to 13,879.57, 19,154.26 and 7,591.94

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Solution

The fourth proportional to 13,879.57, 19,154.26 and 7,591.94 is: 10,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.57 : 19,154.26 = 7,591.94 : x
  2. Step 2: Convert to fraction form
    13,879.57/19,154.26 = 7,591.94/x
  3. Step 3: Cross multiply
    13,879.57x = 19,154.26 × 7,591.94
  4. Step 4: Simplify right side
    13,879.57x = 145,417,992.66
  5. Step 5: Solve for x
    x = 145,417,992.66/13,879.57
  6. Step 6: Final answer
    x = 10,477.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.