Home / 14,687.37-20,262.34-9,381.06

Finding the Fourth Proportional to 14,687.37, 20,262.34 and 9,381.06

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Solution

The fourth proportional to 14,687.37, 20,262.34 and 9,381.06 is: 12,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.37 : 20,262.34 = 9,381.06 : x
  2. Step 2: Convert to fraction form
    14,687.37/20,262.34 = 9,381.06/x
  3. Step 3: Cross multiply
    14,687.37x = 20,262.34 × 9,381.06
  4. Step 4: Simplify right side
    14,687.37x = 190,082,227.28
  5. Step 5: Solve for x
    x = 190,082,227.28/14,687.37
  6. Step 6: Final answer
    x = 12,941.88

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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.