Home / 19,396.68-26,740.98-15,586.44

Finding the Fourth Proportional to 19,396.68, 26,740.98 and 15,586.44

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Solution

The fourth proportional to 19,396.68, 26,740.98 and 15,586.44 is: 21,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.68 : 26,740.98 = 15,586.44 : x
  2. Step 2: Convert to fraction form
    19,396.68/26,740.98 = 15,586.44/x
  3. Step 3: Cross multiply
    19,396.68x = 26,740.98 × 15,586.44
  4. Step 4: Simplify right side
    19,396.68x = 416,796,680.31
  5. Step 5: Solve for x
    x = 416,796,680.31/19,396.68
  6. Step 6: Final answer
    x = 21,488.04

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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.