Home / 16,581.76-24,855.36-11,389.12

Finding the Fourth Proportional to 16,581.76, 24,855.36 and 11,389.12

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Solution

The fourth proportional to 16,581.76, 24,855.36 and 11,389.12 is: 17,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.76 : 24,855.36 = 11,389.12 : x
  2. Step 2: Convert to fraction form
    16,581.76/24,855.36 = 11,389.12/x
  3. Step 3: Cross multiply
    16,581.76x = 24,855.36 × 11,389.12
  4. Step 4: Simplify right side
    16,581.76x = 283,080,677.68
  5. Step 5: Solve for x
    x = 283,080,677.68/16,581.76
  6. Step 6: Final answer
    x = 17,071.81

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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.