Home / 14,126.48-21,193.73-11,518.65

Finding the Fourth Proportional to 14,126.48, 21,193.73 and 11,518.65

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Solution

The fourth proportional to 14,126.48, 21,193.73 and 11,518.65 is: 17,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.48 : 21,193.73 = 11,518.65 : x
  2. Step 2: Convert to fraction form
    14,126.48/21,193.73 = 11,518.65/x
  3. Step 3: Cross multiply
    14,126.48x = 21,193.73 × 11,518.65
  4. Step 4: Simplify right side
    14,126.48x = 244,123,051.66
  5. Step 5: Solve for x
    x = 244,123,051.66/14,126.48
  6. Step 6: Final answer
    x = 17,281.24

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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.