Home / 19,290.35-26,617.05-11,329.67

Finding the Fourth Proportional to 19,290.35, 26,617.05 and 11,329.67

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Solution

The fourth proportional to 19,290.35, 26,617.05 and 11,329.67 is: 15,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.35 : 26,617.05 = 11,329.67 : x
  2. Step 2: Convert to fraction form
    19,290.35/26,617.05 = 11,329.67/x
  3. Step 3: Cross multiply
    19,290.35x = 26,617.05 × 11,329.67
  4. Step 4: Simplify right side
    19,290.35x = 301,562,392.87
  5. Step 5: Solve for x
    x = 301,562,392.87/19,290.35
  6. Step 6: Final answer
    x = 15,632.81

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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.