Home / 30,203.44-45,314.88-12,668.56

Finding the Fourth Proportional to 30,203.44, 45,314.88 and 12,668.56

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Solution

The fourth proportional to 30,203.44, 45,314.88 and 12,668.56 is: 19,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.44 : 45,314.88 = 12,668.56 : x
  2. Step 2: Convert to fraction form
    30,203.44/45,314.88 = 12,668.56/x
  3. Step 3: Cross multiply
    30,203.44x = 45,314.88 × 12,668.56
  4. Step 4: Simplify right side
    30,203.44x = 574,074,276.17
  5. Step 5: Solve for x
    x = 574,074,276.17/30,203.44
  6. Step 6: Final answer
    x = 19,006.92

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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.