Home / 23,435.40-32,340.90-12,825.12

Finding the Fourth Proportional to 23,435.40, 32,340.90 and 12,825.12

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Solution

The fourth proportional to 23,435.40, 32,340.90 and 12,825.12 is: 17,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,435.40 : 32,340.90 = 12,825.12 : x
  2. Step 2: Convert to fraction form
    23,435.40/32,340.90 = 12,825.12/x
  3. Step 3: Cross multiply
    23,435.40x = 32,340.90 × 12,825.12
  4. Step 4: Simplify right side
    23,435.40x = 414,775,923.41
  5. Step 5: Solve for x
    x = 414,775,923.41/23,435.40
  6. Step 6: Final answer
    x = 17,698.69

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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.