Home / 18,318.58-27,313.25-16,754.68

Finding the Fourth Proportional to 18,318.58, 27,313.25 and 16,754.68

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Solution

The fourth proportional to 18,318.58, 27,313.25 and 16,754.68 is: 24,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.58 : 27,313.25 = 16,754.68 : x
  2. Step 2: Convert to fraction form
    18,318.58/27,313.25 = 16,754.68/x
  3. Step 3: Cross multiply
    18,318.58x = 27,313.25 × 16,754.68
  4. Step 4: Simplify right side
    18,318.58x = 457,624,763.51
  5. Step 5: Solve for x
    x = 457,624,763.51/18,318.58
  6. Step 6: Final answer
    x = 24,981.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.