Home / 20,199.50-27,877.47-11,823.02

Finding the Fourth Proportional to 20,199.50, 27,877.47 and 11,823.02

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Solution

The fourth proportional to 20,199.50, 27,877.47 and 11,823.02 is: 16,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.50 : 27,877.47 = 11,823.02 : x
  2. Step 2: Convert to fraction form
    20,199.50/27,877.47 = 11,823.02/x
  3. Step 3: Cross multiply
    20,199.50x = 27,877.47 × 11,823.02
  4. Step 4: Simplify right side
    20,199.50x = 329,595,885.36
  5. Step 5: Solve for x
    x = 329,595,885.36/20,199.50
  6. Step 6: Final answer
    x = 16,317.03

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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.