Home / 23,024.88-34,575.84-20,128.32

Finding the Fourth Proportional to 23,024.88, 34,575.84 and 20,128.32

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Solution

The fourth proportional to 23,024.88, 34,575.84 and 20,128.32 is: 30,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,024.88 : 34,575.84 = 20,128.32 : x
  2. Step 2: Convert to fraction form
    23,024.88/34,575.84 = 20,128.32/x
  3. Step 3: Cross multiply
    23,024.88x = 34,575.84 × 20,128.32
  4. Step 4: Simplify right side
    23,024.88x = 695,953,571.79
  5. Step 5: Solve for x
    x = 695,953,571.79/23,024.88
  6. Step 6: Final answer
    x = 30,226.15

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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.