Home / 14,527.05-20,047.33-8,239.42

Finding the Fourth Proportional to 14,527.05, 20,047.33 and 8,239.42

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Solution

The fourth proportional to 14,527.05, 20,047.33 and 8,239.42 is: 11,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.05 : 20,047.33 = 8,239.42 : x
  2. Step 2: Convert to fraction form
    14,527.05/20,047.33 = 8,239.42/x
  3. Step 3: Cross multiply
    14,527.05x = 20,047.33 × 8,239.42
  4. Step 4: Simplify right side
    14,527.05x = 165,178,371.75
  5. Step 5: Solve for x
    x = 165,178,371.75/14,527.05
  6. Step 6: Final answer
    x = 11,370.40

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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.