Home / 19,385.50-26,751.95-11,324.69

Finding the Fourth Proportional to 19,385.50, 26,751.95 and 11,324.69

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Solution

The fourth proportional to 19,385.50, 26,751.95 and 11,324.69 is: 15,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.50 : 26,751.95 = 11,324.69 : x
  2. Step 2: Convert to fraction form
    19,385.50/26,751.95 = 11,324.69/x
  3. Step 3: Cross multiply
    19,385.50x = 26,751.95 × 11,324.69
  4. Step 4: Simplify right side
    19,385.50x = 302,957,555.25
  5. Step 5: Solve for x
    x = 302,957,555.25/19,385.50
  6. Step 6: Final answer
    x = 15,628.05

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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.