Home / 20,236.46-27,923.01-11,283.72

Finding the Fourth Proportional to 20,236.46, 27,923.01 and 11,283.72

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Solution

The fourth proportional to 20,236.46, 27,923.01 and 11,283.72 is: 15,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.46 : 27,923.01 = 11,283.72 : x
  2. Step 2: Convert to fraction form
    20,236.46/27,923.01 = 11,283.72/x
  3. Step 3: Cross multiply
    20,236.46x = 27,923.01 × 11,283.72
  4. Step 4: Simplify right side
    20,236.46x = 315,075,426.40
  5. Step 5: Solve for x
    x = 315,075,426.40/20,236.46
  6. Step 6: Final answer
    x = 15,569.69

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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.