Home / 20,038.33-27,652.75-11,975.66

Finding the Fourth Proportional to 20,038.33, 27,652.75 and 11,975.66

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Solution

The fourth proportional to 20,038.33, 27,652.75 and 11,975.66 is: 16,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.33 : 27,652.75 = 11,975.66 : x
  2. Step 2: Convert to fraction form
    20,038.33/27,652.75 = 11,975.66/x
  3. Step 3: Cross multiply
    20,038.33x = 27,652.75 × 11,975.66
  4. Step 4: Simplify right side
    20,038.33x = 331,159,932.07
  5. Step 5: Solve for x
    x = 331,159,932.07/20,038.33
  6. Step 6: Final answer
    x = 16,526.32

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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.