Home / 19,060.66-26,289.84-11,503.68

Finding the Fourth Proportional to 19,060.66, 26,289.84 and 11,503.68

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Solution

The fourth proportional to 19,060.66, 26,289.84 and 11,503.68 is: 15,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.66 : 26,289.84 = 11,503.68 : x
  2. Step 2: Convert to fraction form
    19,060.66/26,289.84 = 11,503.68/x
  3. Step 3: Cross multiply
    19,060.66x = 26,289.84 × 11,503.68
  4. Step 4: Simplify right side
    19,060.66x = 302,429,906.61
  5. Step 5: Solve for x
    x = 302,429,906.61/19,060.66
  6. Step 6: Final answer
    x = 15,866.71

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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.