Home / 14,501.13-20,021.19-11,137.92

Finding the Fourth Proportional to 14,501.13, 20,021.19 and 11,137.92

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Solution

The fourth proportional to 14,501.13, 20,021.19 and 11,137.92 is: 15,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.13 : 20,021.19 = 11,137.92 : x
  2. Step 2: Convert to fraction form
    14,501.13/20,021.19 = 11,137.92/x
  3. Step 3: Cross multiply
    14,501.13x = 20,021.19 × 11,137.92
  4. Step 4: Simplify right side
    14,501.13x = 222,994,412.52
  5. Step 5: Solve for x
    x = 222,994,412.52/14,501.13
  6. Step 6: Final answer
    x = 15,377.73

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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.