Home / 13,127.99-19,608.29-11,876.67

Finding the Fourth Proportional to 13,127.99, 19,608.29 and 11,876.67

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Solution

The fourth proportional to 13,127.99, 19,608.29 and 11,876.67 is: 17,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.99 : 19,608.29 = 11,876.67 : x
  2. Step 2: Convert to fraction form
    13,127.99/19,608.29 = 11,876.67/x
  3. Step 3: Cross multiply
    13,127.99x = 19,608.29 × 11,876.67
  4. Step 4: Simplify right side
    13,127.99x = 232,881,189.59
  5. Step 5: Solve for x
    x = 232,881,189.59/13,127.99
  6. Step 6: Final answer
    x = 17,739.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.