Home / 14,652.27-20,219.13-8,191.49

Finding the Fourth Proportional to 14,652.27, 20,219.13 and 8,191.49

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Solution

The fourth proportional to 14,652.27, 20,219.13 and 8,191.49 is: 11,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.27 : 20,219.13 = 8,191.49 : x
  2. Step 2: Convert to fraction form
    14,652.27/20,219.13 = 8,191.49/x
  3. Step 3: Cross multiply
    14,652.27x = 20,219.13 × 8,191.49
  4. Step 4: Simplify right side
    14,652.27x = 165,624,700.11
  5. Step 5: Solve for x
    x = 165,624,700.11/14,652.27
  6. Step 6: Final answer
    x = 11,303.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.