Home / 19,443.95-26,834.67-11,895.31

Finding the Fourth Proportional to 19,443.95, 26,834.67 and 11,895.31

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Solution

The fourth proportional to 19,443.95, 26,834.67 and 11,895.31 is: 16,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.95 : 26,834.67 = 11,895.31 : x
  2. Step 2: Convert to fraction form
    19,443.95/26,834.67 = 11,895.31/x
  3. Step 3: Cross multiply
    19,443.95x = 26,834.67 × 11,895.31
  4. Step 4: Simplify right side
    19,443.95x = 319,206,751.94
  5. Step 5: Solve for x
    x = 319,206,751.94/19,443.95
  6. Step 6: Final answer
    x = 16,416.76

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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.