Home / 14,230.20-21,337.30-5,465.40

Finding the Fourth Proportional to 14,230.20, 21,337.30 and 5,465.40

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Solution

The fourth proportional to 14,230.20, 21,337.30 and 5,465.40 is: 8,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.20 : 21,337.30 = 5,465.40 : x
  2. Step 2: Convert to fraction form
    14,230.20/21,337.30 = 5,465.40/x
  3. Step 3: Cross multiply
    14,230.20x = 21,337.30 × 5,465.40
  4. Step 4: Simplify right side
    14,230.20x = 116,616,879.42
  5. Step 5: Solve for x
    x = 116,616,879.42/14,230.20
  6. Step 6: Final answer
    x = 8,195.03

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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.