Home / 20,173.68-30,232.52-15,239.28

Finding the Fourth Proportional to 20,173.68, 30,232.52 and 15,239.28

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Solution

The fourth proportional to 20,173.68, 30,232.52 and 15,239.28 is: 22,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.68 : 30,232.52 = 15,239.28 : x
  2. Step 2: Convert to fraction form
    20,173.68/30,232.52 = 15,239.28/x
  3. Step 3: Cross multiply
    20,173.68x = 30,232.52 × 15,239.28
  4. Step 4: Simplify right side
    20,173.68x = 460,721,837.39
  5. Step 5: Solve for x
    x = 460,721,837.39/20,173.68
  6. Step 6: Final answer
    x = 22,837.77

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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.