Home / 14,898.45-20,553.35-9,231.69

Finding the Fourth Proportional to 14,898.45, 20,553.35 and 9,231.69

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Solution

The fourth proportional to 14,898.45, 20,553.35 and 9,231.69 is: 12,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.45 : 20,553.35 = 9,231.69 : x
  2. Step 2: Convert to fraction form
    14,898.45/20,553.35 = 9,231.69/x
  3. Step 3: Cross multiply
    14,898.45x = 20,553.35 × 9,231.69
  4. Step 4: Simplify right side
    14,898.45x = 189,742,109.50
  5. Step 5: Solve for x
    x = 189,742,109.50/14,898.45
  6. Step 6: Final answer
    x = 12,735.69

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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.