Home / 15,846.35-21,858.39-10,179.18

Finding the Fourth Proportional to 15,846.35, 21,858.39 and 10,179.18

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Solution

The fourth proportional to 15,846.35, 21,858.39 and 10,179.18 is: 14,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.35 : 21,858.39 = 10,179.18 : x
  2. Step 2: Convert to fraction form
    15,846.35/21,858.39 = 10,179.18/x
  3. Step 3: Cross multiply
    15,846.35x = 21,858.39 × 10,179.18
  4. Step 4: Simplify right side
    15,846.35x = 222,500,486.32
  5. Step 5: Solve for x
    x = 222,500,486.32/15,846.35
  6. Step 6: Final answer
    x = 14,041.12

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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.