Home / 20,546.07-30,670.47-18,054.96

Finding the Fourth Proportional to 20,546.07, 30,670.47 and 18,054.96

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Solution

The fourth proportional to 20,546.07, 30,670.47 and 18,054.96 is: 26,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.07 : 30,670.47 = 18,054.96 : x
  2. Step 2: Convert to fraction form
    20,546.07/30,670.47 = 18,054.96/x
  3. Step 3: Cross multiply
    20,546.07x = 30,670.47 × 18,054.96
  4. Step 4: Simplify right side
    20,546.07x = 553,754,109.03
  5. Step 5: Solve for x
    x = 553,754,109.03/20,546.07
  6. Step 6: Final answer
    x = 26,951.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.