Home / 18,607.18-27,910.68-4,756.18

Finding the Fourth Proportional to 18,607.18, 27,910.68 and 4,756.18

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Solution

The fourth proportional to 18,607.18, 27,910.68 and 4,756.18 is: 7,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.18 : 27,910.68 = 4,756.18 : x
  2. Step 2: Convert to fraction form
    18,607.18/27,910.68 = 4,756.18/x
  3. Step 3: Cross multiply
    18,607.18x = 27,910.68 × 4,756.18
  4. Step 4: Simplify right side
    18,607.18x = 132,748,218.00
  5. Step 5: Solve for x
    x = 132,748,218.00/18,607.18
  6. Step 6: Final answer
    x = 7,134.25

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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.