Home / 17,164.32-25,749.84-5,478.24

Finding the Fourth Proportional to 17,164.32, 25,749.84 and 5,478.24

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Solution

The fourth proportional to 17,164.32, 25,749.84 and 5,478.24 is: 8,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,164.32 : 25,749.84 = 5,478.24 : x
  2. Step 2: Convert to fraction form
    17,164.32/25,749.84 = 5,478.24/x
  3. Step 3: Cross multiply
    17,164.32x = 25,749.84 × 5,478.24
  4. Step 4: Simplify right side
    17,164.32x = 141,063,803.48
  5. Step 5: Solve for x
    x = 141,063,803.48/17,164.32
  6. Step 6: Final answer
    x = 8,218.43

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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.