Home / 22,525.90-31,084.49-12,453.75

Finding the Fourth Proportional to 22,525.90, 31,084.49 and 12,453.75

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Solution

The fourth proportional to 22,525.90, 31,084.49 and 12,453.75 is: 17,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.90 : 31,084.49 = 12,453.75 : x
  2. Step 2: Convert to fraction form
    22,525.90/31,084.49 = 12,453.75/x
  3. Step 3: Cross multiply
    22,525.90x = 31,084.49 × 12,453.75
  4. Step 4: Simplify right side
    22,525.90x = 387,118,405.07
  5. Step 5: Solve for x
    x = 387,118,405.07/22,525.90
  6. Step 6: Final answer
    x = 17,185.48

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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.