Home / 13,232.11-19,822.21-7,673.78

Finding the Fourth Proportional to 13,232.11, 19,822.21 and 7,673.78

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Solution

The fourth proportional to 13,232.11, 19,822.21 and 7,673.78 is: 11,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.11 : 19,822.21 = 7,673.78 : x
  2. Step 2: Convert to fraction form
    13,232.11/19,822.21 = 7,673.78/x
  3. Step 3: Cross multiply
    13,232.11x = 19,822.21 × 7,673.78
  4. Step 4: Simplify right side
    13,232.11x = 152,111,189.13
  5. Step 5: Solve for x
    x = 152,111,189.13/13,232.11
  6. Step 6: Final answer
    x = 11,495.61

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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.