Home / 15,556.32-21,467.84-8,482.59

Finding the Fourth Proportional to 15,556.32, 21,467.84 and 8,482.59

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Solution

The fourth proportional to 15,556.32, 21,467.84 and 8,482.59 is: 11,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.32 : 21,467.84 = 8,482.59 : x
  2. Step 2: Convert to fraction form
    15,556.32/21,467.84 = 8,482.59/x
  3. Step 3: Cross multiply
    15,556.32x = 21,467.84 × 8,482.59
  4. Step 4: Simplify right side
    15,556.32x = 182,102,842.49
  5. Step 5: Solve for x
    x = 182,102,842.49/15,556.32
  6. Step 6: Final answer
    x = 11,706.04

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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.