Home / 19,293.90-26,630.83-11,338.68

Finding the Fourth Proportional to 19,293.90, 26,630.83 and 11,338.68

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Solution

The fourth proportional to 19,293.90, 26,630.83 and 11,338.68 is: 15,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.90 : 26,630.83 = 11,338.68 : x
  2. Step 2: Convert to fraction form
    19,293.90/26,630.83 = 11,338.68/x
  3. Step 3: Cross multiply
    19,293.90x = 26,630.83 × 11,338.68
  4. Step 4: Simplify right side
    19,293.90x = 301,958,509.76
  5. Step 5: Solve for x
    x = 301,958,509.76/19,293.90
  6. Step 6: Final answer
    x = 15,650.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.