Home / 18,457.58-27,686.37-4,606.70

Finding the Fourth Proportional to 18,457.58, 27,686.37 and 4,606.70

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Solution

The fourth proportional to 18,457.58, 27,686.37 and 4,606.70 is: 6,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.58 : 27,686.37 = 4,606.70 : x
  2. Step 2: Convert to fraction form
    18,457.58/27,686.37 = 4,606.70/x
  3. Step 3: Cross multiply
    18,457.58x = 27,686.37 × 4,606.70
  4. Step 4: Simplify right side
    18,457.58x = 127,542,800.68
  5. Step 5: Solve for x
    x = 127,542,800.68/18,457.58
  6. Step 6: Final answer
    x = 6,910.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.