Home / 15,056.14-20,776.92-8,342.06

Finding the Fourth Proportional to 15,056.14, 20,776.92 and 8,342.06

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Solution

The fourth proportional to 15,056.14, 20,776.92 and 8,342.06 is: 11,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.14 : 20,776.92 = 8,342.06 : x
  2. Step 2: Convert to fraction form
    15,056.14/20,776.92 = 8,342.06/x
  3. Step 3: Cross multiply
    15,056.14x = 20,776.92 × 8,342.06
  4. Step 4: Simplify right side
    15,056.14x = 173,322,313.26
  5. Step 5: Solve for x
    x = 173,322,313.26/15,056.14
  6. Step 6: Final answer
    x = 11,511.74

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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.