Home / 12,363.09-18,539.13-8,885.76

Finding the Fourth Proportional to 12,363.09, 18,539.13 and 8,885.76

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Solution

The fourth proportional to 12,363.09, 18,539.13 and 8,885.76 is: 13,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.09 : 18,539.13 = 8,885.76 : x
  2. Step 2: Convert to fraction form
    12,363.09/18,539.13 = 8,885.76/x
  3. Step 3: Cross multiply
    12,363.09x = 18,539.13 × 8,885.76
  4. Step 4: Simplify right side
    12,363.09x = 164,734,259.79
  5. Step 5: Solve for x
    x = 164,734,259.79/12,363.09
  6. Step 6: Final answer
    x = 13,324.68

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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.