Home / 18,609.67-25,685.76-10,656.46

Finding the Fourth Proportional to 18,609.67, 25,685.76 and 10,656.46

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Solution

The fourth proportional to 18,609.67, 25,685.76 and 10,656.46 is: 14,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.67 : 25,685.76 = 10,656.46 : x
  2. Step 2: Convert to fraction form
    18,609.67/25,685.76 = 10,656.46/x
  3. Step 3: Cross multiply
    18,609.67x = 25,685.76 × 10,656.46
  4. Step 4: Simplify right side
    18,609.67x = 273,719,274.01
  5. Step 5: Solve for x
    x = 273,719,274.01/18,609.67
  6. Step 6: Final answer
    x = 14,708.44

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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.