Home / 14,133.70-21,200.55-8,296.90

Finding the Fourth Proportional to 14,133.70, 21,200.55 and 8,296.90

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Solution

The fourth proportional to 14,133.70, 21,200.55 and 8,296.90 is: 12,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.70 : 21,200.55 = 8,296.90 : x
  2. Step 2: Convert to fraction form
    14,133.70/21,200.55 = 8,296.90/x
  3. Step 3: Cross multiply
    14,133.70x = 21,200.55 × 8,296.90
  4. Step 4: Simplify right side
    14,133.70x = 175,898,843.30
  5. Step 5: Solve for x
    x = 175,898,843.30/14,133.70
  6. Step 6: Final answer
    x = 12,445.35

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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.