Home / 14,789.20-22,158.72-8,933.50

Finding the Fourth Proportional to 14,789.20, 22,158.72 and 8,933.50

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Solution

The fourth proportional to 14,789.20, 22,158.72 and 8,933.50 is: 13,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.20 : 22,158.72 = 8,933.50 : x
  2. Step 2: Convert to fraction form
    14,789.20/22,158.72 = 8,933.50/x
  3. Step 3: Cross multiply
    14,789.20x = 22,158.72 × 8,933.50
  4. Step 4: Simplify right side
    14,789.20x = 197,954,925.12
  5. Step 5: Solve for x
    x = 197,954,925.12/14,789.20
  6. Step 6: Final answer
    x = 13,385.10

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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.