Home / 16,423.87-24,635.55-11,145.78

Finding the Fourth Proportional to 16,423.87, 24,635.55 and 11,145.78

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Solution

The fourth proportional to 16,423.87, 24,635.55 and 11,145.78 is: 16,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.87 : 24,635.55 = 11,145.78 : x
  2. Step 2: Convert to fraction form
    16,423.87/24,635.55 = 11,145.78/x
  3. Step 3: Cross multiply
    16,423.87x = 24,635.55 × 11,145.78
  4. Step 4: Simplify right side
    16,423.87x = 274,582,420.48
  5. Step 5: Solve for x
    x = 274,582,420.48/16,423.87
  6. Step 6: Final answer
    x = 16,718.50

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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.