Home / 18,674.47-25,770.56-10,717.95

Finding the Fourth Proportional to 18,674.47, 25,770.56 and 10,717.95

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Solution

The fourth proportional to 18,674.47, 25,770.56 and 10,717.95 is: 14,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.47 : 25,770.56 = 10,717.95 : x
  2. Step 2: Convert to fraction form
    18,674.47/25,770.56 = 10,717.95/x
  3. Step 3: Cross multiply
    18,674.47x = 25,770.56 × 10,717.95
  4. Step 4: Simplify right side
    18,674.47x = 276,207,573.55
  5. Step 5: Solve for x
    x = 276,207,573.55/18,674.47
  6. Step 6: Final answer
    x = 14,790.65

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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.