Home / 13,475.18-20,215.57-5,684.06

Finding the Fourth Proportional to 13,475.18, 20,215.57 and 5,684.06

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Solution

The fourth proportional to 13,475.18, 20,215.57 and 5,684.06 is: 8,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.18 : 20,215.57 = 5,684.06 : x
  2. Step 2: Convert to fraction form
    13,475.18/20,215.57 = 5,684.06/x
  3. Step 3: Cross multiply
    13,475.18x = 20,215.57 × 5,684.06
  4. Step 4: Simplify right side
    13,475.18x = 114,906,512.81
  5. Step 5: Solve for x
    x = 114,906,512.81/13,475.18
  6. Step 6: Final answer
    x = 8,527.27

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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.