Home / 16,218.72-24,338.91-5,688.74

Finding the Fourth Proportional to 16,218.72, 24,338.91 and 5,688.74

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Solution

The fourth proportional to 16,218.72, 24,338.91 and 5,688.74 is: 8,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.72 : 24,338.91 = 5,688.74 : x
  2. Step 2: Convert to fraction form
    16,218.72/24,338.91 = 5,688.74/x
  3. Step 3: Cross multiply
    16,218.72x = 24,338.91 × 5,688.74
  4. Step 4: Simplify right side
    16,218.72x = 138,457,730.87
  5. Step 5: Solve for x
    x = 138,457,730.87/16,218.72
  6. Step 6: Final answer
    x = 8,536.91

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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.