Home / 13,125.99-19,605.31-11,874.67

Finding the Fourth Proportional to 13,125.99, 19,605.31 and 11,874.67

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Solution

The fourth proportional to 13,125.99, 19,605.31 and 11,874.67 is: 17,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.99 : 19,605.31 = 11,874.67 : x
  2. Step 2: Convert to fraction form
    13,125.99/19,605.31 = 11,874.67/x
  3. Step 3: Cross multiply
    13,125.99x = 19,605.31 × 11,874.67
  4. Step 4: Simplify right side
    13,125.99x = 232,806,488.47
  5. Step 5: Solve for x
    x = 232,806,488.47/13,125.99
  6. Step 6: Final answer
    x = 17,736.31

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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.