Home / 15,555.98-21,467.07-8,482.46

Finding the Fourth Proportional to 15,555.98, 21,467.07 and 8,482.46

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Solution

The fourth proportional to 15,555.98, 21,467.07 and 8,482.46 is: 11,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.98 : 21,467.07 = 8,482.46 : x
  2. Step 2: Convert to fraction form
    15,555.98/21,467.07 = 8,482.46/x
  3. Step 3: Cross multiply
    15,555.98x = 21,467.07 × 8,482.46
  4. Step 4: Simplify right side
    15,555.98x = 182,093,562.59
  5. Step 5: Solve for x
    x = 182,093,562.59/15,555.98
  6. Step 6: Final answer
    x = 11,705.70

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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.