Home / 15,568.92-21,485.25-8,495.37

Finding the Fourth Proportional to 15,568.92, 21,485.25 and 8,495.37

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Solution

The fourth proportional to 15,568.92, 21,485.25 and 8,495.37 is: 11,723.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.92 : 21,485.25 = 8,495.37 : x
  2. Step 2: Convert to fraction form
    15,568.92/21,485.25 = 8,495.37/x
  3. Step 3: Cross multiply
    15,568.92x = 21,485.25 × 8,495.37
  4. Step 4: Simplify right side
    15,568.92x = 182,525,148.29
  5. Step 5: Solve for x
    x = 182,525,148.29/15,568.92
  6. Step 6: Final answer
    x = 11,723.69

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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.