Home / 19,436.68-26,798.09-12,711.65

Finding the Fourth Proportional to 19,436.68, 26,798.09 and 12,711.65

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Solution

The fourth proportional to 19,436.68, 26,798.09 and 12,711.65 is: 17,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.68 : 26,798.09 = 12,711.65 : x
  2. Step 2: Convert to fraction form
    19,436.68/26,798.09 = 12,711.65/x
  3. Step 3: Cross multiply
    19,436.68x = 26,798.09 × 12,711.65
  4. Step 4: Simplify right side
    19,436.68x = 340,647,965.44
  5. Step 5: Solve for x
    x = 340,647,965.44/19,436.68
  6. Step 6: Final answer
    x = 17,526.04

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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.