Home / 20,933.07-28,887.63-11,502.24

Finding the Fourth Proportional to 20,933.07, 28,887.63 and 11,502.24

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Solution

The fourth proportional to 20,933.07, 28,887.63 and 11,502.24 is: 15,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.07 : 28,887.63 = 11,502.24 : x
  2. Step 2: Convert to fraction form
    20,933.07/28,887.63 = 11,502.24/x
  3. Step 3: Cross multiply
    20,933.07x = 28,887.63 × 11,502.24
  4. Step 4: Simplify right side
    20,933.07x = 332,272,453.29
  5. Step 5: Solve for x
    x = 332,272,453.29/20,933.07
  6. Step 6: Final answer
    x = 15,873.09

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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.