Home / 20,527.86-28,328.43-11,096.42

Finding the Fourth Proportional to 20,527.86, 28,328.43 and 11,096.42

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Solution

The fourth proportional to 20,527.86, 28,328.43 and 11,096.42 is: 15,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.86 : 28,328.43 = 11,096.42 : x
  2. Step 2: Convert to fraction form
    20,527.86/28,328.43 = 11,096.42/x
  3. Step 3: Cross multiply
    20,527.86x = 28,328.43 × 11,096.42
  4. Step 4: Simplify right side
    20,527.86x = 314,344,157.22
  5. Step 5: Solve for x
    x = 314,344,157.22/20,527.86
  6. Step 6: Final answer
    x = 15,313.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.