Home / 13,527.20-20,272.28-7,606.96

Finding the Fourth Proportional to 13,527.20, 20,272.28 and 7,606.96

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Solution

The fourth proportional to 13,527.20, 20,272.28 and 7,606.96 is: 11,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.20 : 20,272.28 = 7,606.96 : x
  2. Step 2: Convert to fraction form
    13,527.20/20,272.28 = 7,606.96/x
  3. Step 3: Cross multiply
    13,527.20x = 20,272.28 × 7,606.96
  4. Step 4: Simplify right side
    13,527.20x = 154,210,448.38
  5. Step 5: Solve for x
    x = 154,210,448.38/13,527.20
  6. Step 6: Final answer
    x = 11,400.03

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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.