Home / 18,459.24-27,672.39-6,769.74

Finding the Fourth Proportional to 18,459.24, 27,672.39 and 6,769.74

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Solution

The fourth proportional to 18,459.24, 27,672.39 and 6,769.74 is: 10,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.24 : 27,672.39 = 6,769.74 : x
  2. Step 2: Convert to fraction form
    18,459.24/27,672.39 = 6,769.74/x
  3. Step 3: Cross multiply
    18,459.24x = 27,672.39 × 6,769.74
  4. Step 4: Simplify right side
    18,459.24x = 187,334,885.48
  5. Step 5: Solve for x
    x = 187,334,885.48/18,459.24
  6. Step 6: Final answer
    x = 10,148.57

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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.