Home / 20,286.47-27,955.76-14,610.51

Finding the Fourth Proportional to 20,286.47, 27,955.76 and 14,610.51

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Solution

The fourth proportional to 20,286.47, 27,955.76 and 14,610.51 is: 20,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286.47 : 27,955.76 = 14,610.51 : x
  2. Step 2: Convert to fraction form
    20,286.47/27,955.76 = 14,610.51/x
  3. Step 3: Cross multiply
    20,286.47x = 27,955.76 × 14,610.51
  4. Step 4: Simplify right side
    20,286.47x = 408,447,837.99
  5. Step 5: Solve for x
    x = 408,447,837.99/20,286.47
  6. Step 6: Final answer
    x = 20,134.01

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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.