Home / 14,527.28-20,048.12-8,239.92

Finding the Fourth Proportional to 14,527.28, 20,048.12 and 8,239.92

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Solution

The fourth proportional to 14,527.28, 20,048.12 and 8,239.92 is: 11,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.28 : 20,048.12 = 8,239.92 : x
  2. Step 2: Convert to fraction form
    14,527.28/20,048.12 = 8,239.92/x
  3. Step 3: Cross multiply
    14,527.28x = 20,048.12 × 8,239.92
  4. Step 4: Simplify right side
    14,527.28x = 165,194,904.95
  5. Step 5: Solve for x
    x = 165,194,904.95/14,527.28
  6. Step 6: Final answer
    x = 11,371.36

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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.