Home / 18,961.20-26,166.45-10,577.70

Finding the Fourth Proportional to 18,961.20, 26,166.45 and 10,577.70

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Solution

The fourth proportional to 18,961.20, 26,166.45 and 10,577.70 is: 14,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.20 : 26,166.45 = 10,577.70 : x
  2. Step 2: Convert to fraction form
    18,961.20/26,166.45 = 10,577.70/x
  3. Step 3: Cross multiply
    18,961.20x = 26,166.45 × 10,577.70
  4. Step 4: Simplify right side
    18,961.20x = 276,780,858.17
  5. Step 5: Solve for x
    x = 276,780,858.17/18,961.20
  6. Step 6: Final answer
    x = 14,597.22

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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.