Home / 14,572.18-20,107.20-8,283.34

Finding the Fourth Proportional to 14,572.18, 20,107.20 and 8,283.34

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Solution

The fourth proportional to 14,572.18, 20,107.20 and 8,283.34 is: 11,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.18 : 20,107.20 = 8,283.34 : x
  2. Step 2: Convert to fraction form
    14,572.18/20,107.20 = 8,283.34/x
  3. Step 3: Cross multiply
    14,572.18x = 20,107.20 × 8,283.34
  4. Step 4: Simplify right side
    14,572.18x = 166,554,774.05
  5. Step 5: Solve for x
    x = 166,554,774.05/14,572.18
  6. Step 6: Final answer
    x = 11,429.64

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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.