Home / 30,250.04-45,375.10-11,782.04

Finding the Fourth Proportional to 30,250.04, 45,375.10 and 11,782.04

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Solution

The fourth proportional to 30,250.04, 45,375.10 and 11,782.04 is: 17,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.04 : 45,375.10 = 11,782.04 : x
  2. Step 2: Convert to fraction form
    30,250.04/45,375.10 = 11,782.04/x
  3. Step 3: Cross multiply
    30,250.04x = 45,375.10 × 11,782.04
  4. Step 4: Simplify right side
    30,250.04x = 534,610,986.87
  5. Step 5: Solve for x
    x = 534,610,986.87/30,250.04
  6. Step 6: Final answer
    x = 17,673.07

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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.