Home / 14,996.40-20,694.52-8,281.92

Finding the Fourth Proportional to 14,996.40, 20,694.52 and 8,281.92

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Solution

The fourth proportional to 14,996.40, 20,694.52 and 8,281.92 is: 11,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.40 : 20,694.52 = 8,281.92 : x
  2. Step 2: Convert to fraction form
    14,996.40/20,694.52 = 8,281.92/x
  3. Step 3: Cross multiply
    14,996.40x = 20,694.52 × 8,281.92
  4. Step 4: Simplify right side
    14,996.40x = 171,390,359.08
  5. Step 5: Solve for x
    x = 171,390,359.08/14,996.40
  6. Step 6: Final answer
    x = 11,428.77

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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.