Home / 14,898.34-20,557.42-8,609.50

Finding the Fourth Proportional to 14,898.34, 20,557.42 and 8,609.50

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Solution

The fourth proportional to 14,898.34, 20,557.42 and 8,609.50 is: 11,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.34 : 20,557.42 = 8,609.50 : x
  2. Step 2: Convert to fraction form
    14,898.34/20,557.42 = 8,609.50/x
  3. Step 3: Cross multiply
    14,898.34x = 20,557.42 × 8,609.50
  4. Step 4: Simplify right side
    14,898.34x = 176,989,107.49
  5. Step 5: Solve for x
    x = 176,989,107.49/14,898.34
  6. Step 6: Final answer
    x = 11,879.79

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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.