Home / 14,607.20-20,158.30-8,941.84

Finding the Fourth Proportional to 14,607.20, 20,158.30 and 8,941.84

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Solution

The fourth proportional to 14,607.20, 20,158.30 and 8,941.84 is: 12,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.20 : 20,158.30 = 8,941.84 : x
  2. Step 2: Convert to fraction form
    14,607.20/20,158.30 = 8,941.84/x
  3. Step 3: Cross multiply
    14,607.20x = 20,158.30 × 8,941.84
  4. Step 4: Simplify right side
    14,607.20x = 180,252,293.27
  5. Step 5: Solve for x
    x = 180,252,293.27/14,607.20
  6. Step 6: Final answer
    x = 12,339.96

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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.