Home / 22,166.65-30,589.41-12,735.01

Finding the Fourth Proportional to 22,166.65, 30,589.41 and 12,735.01

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Solution

The fourth proportional to 22,166.65, 30,589.41 and 12,735.01 is: 17,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.65 : 30,589.41 = 12,735.01 : x
  2. Step 2: Convert to fraction form
    22,166.65/30,589.41 = 12,735.01/x
  3. Step 3: Cross multiply
    22,166.65x = 30,589.41 × 12,735.01
  4. Step 4: Simplify right side
    22,166.65x = 389,556,442.24
  5. Step 5: Solve for x
    x = 389,556,442.24/22,166.65
  6. Step 6: Final answer
    x = 17,573.99

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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.