Home / 14,247.60-19,661.58-7,959.96

Finding the Fourth Proportional to 14,247.60, 19,661.58 and 7,959.96

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Solution

The fourth proportional to 14,247.60, 19,661.58 and 7,959.96 is: 10,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.60 : 19,661.58 = 7,959.96 : x
  2. Step 2: Convert to fraction form
    14,247.60/19,661.58 = 7,959.96/x
  3. Step 3: Cross multiply
    14,247.60x = 19,661.58 × 7,959.96
  4. Step 4: Simplify right side
    14,247.60x = 156,505,390.34
  5. Step 5: Solve for x
    x = 156,505,390.34/14,247.60
  6. Step 6: Final answer
    x = 10,984.68

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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.