Home / 14,077.92-19,427.58-7,790.34

Finding the Fourth Proportional to 14,077.92, 19,427.58 and 7,790.34

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Solution

The fourth proportional to 14,077.92, 19,427.58 and 7,790.34 is: 10,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.92 : 19,427.58 = 7,790.34 : x
  2. Step 2: Convert to fraction form
    14,077.92/19,427.58 = 7,790.34/x
  3. Step 3: Cross multiply
    14,077.92x = 19,427.58 × 7,790.34
  4. Step 4: Simplify right side
    14,077.92x = 151,347,453.58
  5. Step 5: Solve for x
    x = 151,347,453.58/14,077.92
  6. Step 6: Final answer
    x = 10,750.70

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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.