Home / 14,609.46-21,915.42-6,289.68

Finding the Fourth Proportional to 14,609.46, 21,915.42 and 6,289.68

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Solution

The fourth proportional to 14,609.46, 21,915.42 and 6,289.68 is: 9,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.46 : 21,915.42 = 6,289.68 : x
  2. Step 2: Convert to fraction form
    14,609.46/21,915.42 = 6,289.68/x
  3. Step 3: Cross multiply
    14,609.46x = 21,915.42 × 6,289.68
  4. Step 4: Simplify right side
    14,609.46x = 137,840,978.87
  5. Step 5: Solve for x
    x = 137,840,978.87/14,609.46
  6. Step 6: Final answer
    x = 9,435.05

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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.