Home / 20,960.01-28,924.56-11,528.37

Finding the Fourth Proportional to 20,960.01, 28,924.56 and 11,528.37

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Solution

The fourth proportional to 20,960.01, 28,924.56 and 11,528.37 is: 15,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960.01 : 28,924.56 = 11,528.37 : x
  2. Step 2: Convert to fraction form
    20,960.01/28,924.56 = 11,528.37/x
  3. Step 3: Cross multiply
    20,960.01x = 28,924.56 × 11,528.37
  4. Step 4: Simplify right side
    20,960.01x = 333,453,029.77
  5. Step 5: Solve for x
    x = 333,453,029.77/20,960.01
  6. Step 6: Final answer
    x = 15,909.01

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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.