Home / 27,653.20-41,430.30-16,814.20

Finding the Fourth Proportional to 27,653.20, 41,430.30 and 16,814.20

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Solution

The fourth proportional to 27,653.20, 41,430.30 and 16,814.20 is: 25,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.20 : 41,430.30 = 16,814.20 : x
  2. Step 2: Convert to fraction form
    27,653.20/41,430.30 = 16,814.20/x
  3. Step 3: Cross multiply
    27,653.20x = 41,430.30 × 16,814.20
  4. Step 4: Simplify right side
    27,653.20x = 696,617,350.26
  5. Step 5: Solve for x
    x = 696,617,350.26/27,653.20
  6. Step 6: Final answer
    x = 25,191.20

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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.