Home / 14,811.49-22,218.63-5,451.69

Finding the Fourth Proportional to 14,811.49, 22,218.63 and 5,451.69

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Solution

The fourth proportional to 14,811.49, 22,218.63 and 5,451.69 is: 8,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.49 : 22,218.63 = 5,451.69 : x
  2. Step 2: Convert to fraction form
    14,811.49/22,218.63 = 5,451.69/x
  3. Step 3: Cross multiply
    14,811.49x = 22,218.63 × 5,451.69
  4. Step 4: Simplify right side
    14,811.49x = 121,129,082.98
  5. Step 5: Solve for x
    x = 121,129,082.98/14,811.49
  6. Step 6: Final answer
    x = 8,178.05

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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.