Home / 14,228.53-19,617.12-11,666.85

Finding the Fourth Proportional to 14,228.53, 19,617.12 and 11,666.85

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Solution

The fourth proportional to 14,228.53, 19,617.12 and 11,666.85 is: 16,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.53 : 19,617.12 = 11,666.85 : x
  2. Step 2: Convert to fraction form
    14,228.53/19,617.12 = 11,666.85/x
  3. Step 3: Cross multiply
    14,228.53x = 19,617.12 × 11,666.85
  4. Step 4: Simplify right side
    14,228.53x = 228,870,020.99
  5. Step 5: Solve for x
    x = 228,870,020.99/14,228.53
  6. Step 6: Final answer
    x = 16,085.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.