Home / 14,818.49-22,221.25-4,427.81

Finding the Fourth Proportional to 14,818.49, 22,221.25 and 4,427.81

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Solution

The fourth proportional to 14,818.49, 22,221.25 and 4,427.81 is: 6,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.49 : 22,221.25 = 4,427.81 : x
  2. Step 2: Convert to fraction form
    14,818.49/22,221.25 = 4,427.81/x
  3. Step 3: Cross multiply
    14,818.49x = 22,221.25 × 4,427.81
  4. Step 4: Simplify right side
    14,818.49x = 98,391,472.96
  5. Step 5: Solve for x
    x = 98,391,472.96/14,818.49
  6. Step 6: Final answer
    x = 6,639.78

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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.