Home / 18,685.96-25,786.65-10,302.46

Finding the Fourth Proportional to 18,685.96, 25,786.65 and 10,302.46

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Solution

The fourth proportional to 18,685.96, 25,786.65 and 10,302.46 is: 14,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.96 : 25,786.65 = 10,302.46 : x
  2. Step 2: Convert to fraction form
    18,685.96/25,786.65 = 10,302.46/x
  3. Step 3: Cross multiply
    18,685.96x = 25,786.65 × 10,302.46
  4. Step 4: Simplify right side
    18,685.96x = 265,665,930.16
  5. Step 5: Solve for x
    x = 265,665,930.16/18,685.96
  6. Step 6: Final answer
    x = 14,217.41

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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.