Home / 12,965.47-19,445.47-5,573.41

Finding the Fourth Proportional to 12,965.47, 19,445.47 and 5,573.41

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Solution

The fourth proportional to 12,965.47, 19,445.47 and 5,573.41 is: 8,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.47 : 19,445.47 = 5,573.41 : x
  2. Step 2: Convert to fraction form
    12,965.47/19,445.47 = 5,573.41/x
  3. Step 3: Cross multiply
    12,965.47x = 19,445.47 × 5,573.41
  4. Step 4: Simplify right side
    12,965.47x = 108,377,514.41
  5. Step 5: Solve for x
    x = 108,377,514.41/12,965.47
  6. Step 6: Final answer
    x = 8,358.94

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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.