Home / 14,479.47-21,707.73-5,720.94

Finding the Fourth Proportional to 14,479.47, 21,707.73 and 5,720.94

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Solution

The fourth proportional to 14,479.47, 21,707.73 and 5,720.94 is: 8,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.47 : 21,707.73 = 5,720.94 : x
  2. Step 2: Convert to fraction form
    14,479.47/21,707.73 = 5,720.94/x
  3. Step 3: Cross multiply
    14,479.47x = 21,707.73 × 5,720.94
  4. Step 4: Simplify right side
    14,479.47x = 124,188,620.87
  5. Step 5: Solve for x
    x = 124,188,620.87/14,479.47
  6. Step 6: Final answer
    x = 8,576.88

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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.