Home / 20,038.07-27,652.41-11,975.42

Finding the Fourth Proportional to 20,038.07, 27,652.41 and 11,975.42

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Solution

The fourth proportional to 20,038.07, 27,652.41 and 11,975.42 is: 16,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.07 : 27,652.41 = 11,975.42 : x
  2. Step 2: Convert to fraction form
    20,038.07/27,652.41 = 11,975.42/x
  3. Step 3: Cross multiply
    20,038.07x = 27,652.41 × 11,975.42
  4. Step 4: Simplify right side
    20,038.07x = 331,149,223.76
  5. Step 5: Solve for x
    x = 331,149,223.76/20,038.07
  6. Step 6: Final answer
    x = 16,526.00

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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.