Home / 13,527.58-20,280.44-5,636.04

Finding the Fourth Proportional to 13,527.58, 20,280.44 and 5,636.04

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Solution

The fourth proportional to 13,527.58, 20,280.44 and 5,636.04 is: 8,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.58 : 20,280.44 = 5,636.04 : x
  2. Step 2: Convert to fraction form
    13,527.58/20,280.44 = 5,636.04/x
  3. Step 3: Cross multiply
    13,527.58x = 20,280.44 × 5,636.04
  4. Step 4: Simplify right side
    13,527.58x = 114,301,287.96
  5. Step 5: Solve for x
    x = 114,301,287.96/13,527.58
  6. Step 6: Final answer
    x = 8,449.50

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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.