Home / 20,237.84-27,927.48-11,285.20

Finding the Fourth Proportional to 20,237.84, 27,927.48 and 11,285.20

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Solution

The fourth proportional to 20,237.84, 27,927.48 and 11,285.20 is: 15,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.84 : 27,927.48 = 11,285.20 : x
  2. Step 2: Convert to fraction form
    20,237.84/27,927.48 = 11,285.20/x
  3. Step 3: Cross multiply
    20,237.84x = 27,927.48 × 11,285.20
  4. Step 4: Simplify right side
    20,237.84x = 315,167,197.30
  5. Step 5: Solve for x
    x = 315,167,197.30/20,237.84
  6. Step 6: Final answer
    x = 15,573.16

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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.