Home / 13,125.49-19,604.56-11,874.16

Finding the Fourth Proportional to 13,125.49, 19,604.56 and 11,874.16

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Solution

The fourth proportional to 13,125.49, 19,604.56 and 11,874.16 is: 17,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.49 : 19,604.56 = 11,874.16 : x
  2. Step 2: Convert to fraction form
    13,125.49/19,604.56 = 11,874.16/x
  3. Step 3: Cross multiply
    13,125.49x = 19,604.56 × 11,874.16
  4. Step 4: Simplify right side
    13,125.49x = 232,787,775.71
  5. Step 5: Solve for x
    x = 232,787,775.71/13,125.49
  6. Step 6: Final answer
    x = 17,735.56

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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.