Home / 27,381.01-37,785.79-14,805.76

Finding the Fourth Proportional to 27,381.01, 37,785.79 and 14,805.76

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Solution

The fourth proportional to 27,381.01, 37,785.79 and 14,805.76 is: 20,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.01 : 37,785.79 = 14,805.76 : x
  2. Step 2: Convert to fraction form
    27,381.01/37,785.79 = 14,805.76/x
  3. Step 3: Cross multiply
    27,381.01x = 37,785.79 × 14,805.76
  4. Step 4: Simplify right side
    27,381.01x = 559,447,338.15
  5. Step 5: Solve for x
    x = 559,447,338.15/27,381.01
  6. Step 6: Final answer
    x = 20,431.95

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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.