Home / 13,584.16-20,363.28-4,814.29

Finding the Fourth Proportional to 13,584.16, 20,363.28 and 4,814.29

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Solution

The fourth proportional to 13,584.16, 20,363.28 and 4,814.29 is: 7,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.16 : 20,363.28 = 4,814.29 : x
  2. Step 2: Convert to fraction form
    13,584.16/20,363.28 = 4,814.29/x
  3. Step 3: Cross multiply
    13,584.16x = 20,363.28 × 4,814.29
  4. Step 4: Simplify right side
    13,584.16x = 98,034,735.27
  5. Step 5: Solve for x
    x = 98,034,735.27/13,584.16
  6. Step 6: Final answer
    x = 7,216.84

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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.