Home / 16,416.09-24,618.96-5,320.20

Finding the Fourth Proportional to 16,416.09, 24,618.96 and 5,320.20

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Solution

The fourth proportional to 16,416.09, 24,618.96 and 5,320.20 is: 7,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,416.09 : 24,618.96 = 5,320.20 : x
  2. Step 2: Convert to fraction form
    16,416.09/24,618.96 = 5,320.20/x
  3. Step 3: Cross multiply
    16,416.09x = 24,618.96 × 5,320.20
  4. Step 4: Simplify right side
    16,416.09x = 130,977,790.99
  5. Step 5: Solve for x
    x = 130,977,790.99/16,416.09
  6. Step 6: Final answer
    x = 7,978.62

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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.