Home / 47,729.88-71,594.82-12,668.63

Finding the Fourth Proportional to 47,729.88, 71,594.82 and 12,668.63

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Solution

The fourth proportional to 47,729.88, 71,594.82 and 12,668.63 is: 19,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.88 : 71,594.82 = 12,668.63 : x
  2. Step 2: Convert to fraction form
    47,729.88/71,594.82 = 12,668.63/x
  3. Step 3: Cross multiply
    47,729.88x = 71,594.82 × 12,668.63
  4. Step 4: Simplify right side
    47,729.88x = 907,007,926.52
  5. Step 5: Solve for x
    x = 907,007,926.52/47,729.88
  6. Step 6: Final answer
    x = 19,002.94

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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.