Home / 15,169.99-22,752.55-6,403.76

Finding the Fourth Proportional to 15,169.99, 22,752.55 and 6,403.76

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Solution

The fourth proportional to 15,169.99, 22,752.55 and 6,403.76 is: 9,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.99 : 22,752.55 = 6,403.76 : x
  2. Step 2: Convert to fraction form
    15,169.99/22,752.55 = 6,403.76/x
  3. Step 3: Cross multiply
    15,169.99x = 22,752.55 × 6,403.76
  4. Step 4: Simplify right side
    15,169.99x = 145,701,869.59
  5. Step 5: Solve for x
    x = 145,701,869.59/15,169.99
  6. Step 6: Final answer
    x = 9,604.61

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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.