Home / 26,877.12-40,315.68-12,068.73

Finding the Fourth Proportional to 26,877.12, 40,315.68 and 12,068.73

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Solution

The fourth proportional to 26,877.12, 40,315.68 and 12,068.73 is: 18,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.12 : 40,315.68 = 12,068.73 : x
  2. Step 2: Convert to fraction form
    26,877.12/40,315.68 = 12,068.73/x
  3. Step 3: Cross multiply
    26,877.12x = 40,315.68 × 12,068.73
  4. Step 4: Simplify right side
    26,877.12x = 486,559,056.69
  5. Step 5: Solve for x
    x = 486,559,056.69/26,877.12
  6. Step 6: Final answer
    x = 18,103.10

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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.