Home / 14,544.48-20,069.93-8,171.81

Finding the Fourth Proportional to 14,544.48, 20,069.93 and 8,171.81

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Solution

The fourth proportional to 14,544.48, 20,069.93 and 8,171.81 is: 11,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.48 : 20,069.93 = 8,171.81 : x
  2. Step 2: Convert to fraction form
    14,544.48/20,069.93 = 8,171.81/x
  3. Step 3: Cross multiply
    14,544.48x = 20,069.93 × 8,171.81
  4. Step 4: Simplify right side
    14,544.48x = 164,007,513.46
  5. Step 5: Solve for x
    x = 164,007,513.46/14,544.48
  6. Step 6: Final answer
    x = 11,276.27

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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.