Home / 18,574.49-25,632.47-10,190.81

Finding the Fourth Proportional to 18,574.49, 25,632.47 and 10,190.81

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Solution

The fourth proportional to 18,574.49, 25,632.47 and 10,190.81 is: 14,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.49 : 25,632.47 = 10,190.81 : x
  2. Step 2: Convert to fraction form
    18,574.49/25,632.47 = 10,190.81/x
  3. Step 3: Cross multiply
    18,574.49x = 25,632.47 × 10,190.81
  4. Step 4: Simplify right side
    18,574.49x = 261,215,528.92
  5. Step 5: Solve for x
    x = 261,215,528.92/18,574.49
  6. Step 6: Final answer
    x = 14,063.14

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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.