Home / 23,435.78-32,340.14-12,823.36

Finding the Fourth Proportional to 23,435.78, 32,340.14 and 12,823.36

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Solution

The fourth proportional to 23,435.78, 32,340.14 and 12,823.36 is: 17,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,435.78 : 32,340.14 = 12,823.36 : x
  2. Step 2: Convert to fraction form
    23,435.78/32,340.14 = 12,823.36/x
  3. Step 3: Cross multiply
    23,435.78x = 32,340.14 × 12,823.36
  4. Step 4: Simplify right side
    23,435.78x = 414,709,257.67
  5. Step 5: Solve for x
    x = 414,709,257.67/23,435.78
  6. Step 6: Final answer
    x = 17,695.56

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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.