Home / 13,967.10-20,937.15-8,037.90

Finding the Fourth Proportional to 13,967.10, 20,937.15 and 8,037.90

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Solution

The fourth proportional to 13,967.10, 20,937.15 and 8,037.90 is: 12,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.10 : 20,937.15 = 8,037.90 : x
  2. Step 2: Convert to fraction form
    13,967.10/20,937.15 = 8,037.90/x
  3. Step 3: Cross multiply
    13,967.10x = 20,937.15 × 8,037.90
  4. Step 4: Simplify right side
    13,967.10x = 168,290,717.99
  5. Step 5: Solve for x
    x = 168,290,717.99/13,967.10
  6. Step 6: Final answer
    x = 12,049.08

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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.