Home / 23,775.09-35,685.72-12,689.58

Finding the Fourth Proportional to 23,775.09, 35,685.72 and 12,689.58

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Solution

The fourth proportional to 23,775.09, 35,685.72 and 12,689.58 is: 19,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.09 : 35,685.72 = 12,689.58 : x
  2. Step 2: Convert to fraction form
    23,775.09/35,685.72 = 12,689.58/x
  3. Step 3: Cross multiply
    23,775.09x = 35,685.72 × 12,689.58
  4. Step 4: Simplify right side
    23,775.09x = 452,836,798.80
  5. Step 5: Solve for x
    x = 452,836,798.80/23,775.09
  6. Step 6: Final answer
    x = 19,046.69

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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.