Home / 14,240.46-21,358.26-5,470.86

Finding the Fourth Proportional to 14,240.46, 21,358.26 and 5,470.86

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Solution

The fourth proportional to 14,240.46, 21,358.26 and 5,470.86 is: 8,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.46 : 21,358.26 = 5,470.86 : x
  2. Step 2: Convert to fraction form
    14,240.46/21,358.26 = 5,470.86/x
  3. Step 3: Cross multiply
    14,240.46x = 21,358.26 × 5,470.86
  4. Step 4: Simplify right side
    14,240.46x = 116,848,050.30
  5. Step 5: Solve for x
    x = 116,848,050.30/14,240.46
  6. Step 6: Final answer
    x = 8,205.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.