Home / 15,725.88-23,569.38-7,936.92

Finding the Fourth Proportional to 15,725.88, 23,569.38 and 7,936.92

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Solution

The fourth proportional to 15,725.88, 23,569.38 and 7,936.92 is: 11,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.88 : 23,569.38 = 7,936.92 : x
  2. Step 2: Convert to fraction form
    15,725.88/23,569.38 = 7,936.92/x
  3. Step 3: Cross multiply
    15,725.88x = 23,569.38 × 7,936.92
  4. Step 4: Simplify right side
    15,725.88x = 187,068,283.51
  5. Step 5: Solve for x
    x = 187,068,283.51/15,725.88
  6. Step 6: Final answer
    x = 11,895.57

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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.