Home / 18,270.63-25,213.14-10,313.73

Finding the Fourth Proportional to 18,270.63, 25,213.14 and 10,313.73

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Solution

The fourth proportional to 18,270.63, 25,213.14 and 10,313.73 is: 14,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.63 : 25,213.14 = 10,313.73 : x
  2. Step 2: Convert to fraction form
    18,270.63/25,213.14 = 10,313.73/x
  3. Step 3: Cross multiply
    18,270.63x = 25,213.14 × 10,313.73
  4. Step 4: Simplify right side
    18,270.63x = 260,041,518.41
  5. Step 5: Solve for x
    x = 260,041,518.41/18,270.63
  6. Step 6: Final answer
    x = 14,232.76

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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.