Home / 20,056.71-27,685.53-11,673.21

Finding the Fourth Proportional to 20,056.71, 27,685.53 and 11,673.21

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Solution

The fourth proportional to 20,056.71, 27,685.53 and 11,673.21 is: 16,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.71 : 27,685.53 = 11,673.21 : x
  2. Step 2: Convert to fraction form
    20,056.71/27,685.53 = 11,673.21/x
  3. Step 3: Cross multiply
    20,056.71x = 27,685.53 × 11,673.21
  4. Step 4: Simplify right side
    20,056.71x = 323,179,005.65
  5. Step 5: Solve for x
    x = 323,179,005.65/20,056.71
  6. Step 6: Final answer
    x = 16,113.26

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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.