Home / 18,534.84-27,800.24-6,688.19

Finding the Fourth Proportional to 18,534.84, 27,800.24 and 6,688.19

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Solution

The fourth proportional to 18,534.84, 27,800.24 and 6,688.19 is: 10,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.84 : 27,800.24 = 6,688.19 : x
  2. Step 2: Convert to fraction form
    18,534.84/27,800.24 = 6,688.19/x
  3. Step 3: Cross multiply
    18,534.84x = 27,800.24 × 6,688.19
  4. Step 4: Simplify right side
    18,534.84x = 185,933,114.72
  5. Step 5: Solve for x
    x = 185,933,114.72/18,534.84
  6. Step 6: Final answer
    x = 10,031.55

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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.