Home / 14,506.05-20,016.76-8,539.59

Finding the Fourth Proportional to 14,506.05, 20,016.76 and 8,539.59

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Solution

The fourth proportional to 14,506.05, 20,016.76 and 8,539.59 is: 11,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.05 : 20,016.76 = 8,539.59 : x
  2. Step 2: Convert to fraction form
    14,506.05/20,016.76 = 8,539.59/x
  3. Step 3: Cross multiply
    14,506.05x = 20,016.76 × 8,539.59
  4. Step 4: Simplify right side
    14,506.05x = 170,934,923.53
  5. Step 5: Solve for x
    x = 170,934,923.53/14,506.05
  6. Step 6: Final answer
    x = 11,783.70

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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.