Home / 14,506.96-20,020.52-8,133.68

Finding the Fourth Proportional to 14,506.96, 20,020.52 and 8,133.68

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Solution

The fourth proportional to 14,506.96, 20,020.52 and 8,133.68 is: 11,224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.96 : 20,020.52 = 8,133.68 : x
  2. Step 2: Convert to fraction form
    14,506.96/20,020.52 = 8,133.68/x
  3. Step 3: Cross multiply
    14,506.96x = 20,020.52 × 8,133.68
  4. Step 4: Simplify right side
    14,506.96x = 162,840,503.11
  5. Step 5: Solve for x
    x = 162,840,503.11/14,506.96
  6. Step 6: Final answer
    x = 11,224.99

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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.