Home / 18,674.26-25,770.34-10,290.76

Finding the Fourth Proportional to 18,674.26, 25,770.34 and 10,290.76

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Solution

The fourth proportional to 18,674.26, 25,770.34 and 10,290.76 is: 14,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.26 : 25,770.34 = 10,290.76 : x
  2. Step 2: Convert to fraction form
    18,674.26/25,770.34 = 10,290.76/x
  3. Step 3: Cross multiply
    18,674.26x = 25,770.34 × 10,290.76
  4. Step 4: Simplify right side
    18,674.26x = 265,196,384.06
  5. Step 5: Solve for x
    x = 265,196,384.06/18,674.26
  6. Step 6: Final answer
    x = 14,201.17

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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.