Home / 18,725.60-25,841.04-10,342.56

Finding the Fourth Proportional to 18,725.60, 25,841.04 and 10,342.56

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Solution

The fourth proportional to 18,725.60, 25,841.04 and 10,342.56 is: 14,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.60 : 25,841.04 = 10,342.56 : x
  2. Step 2: Convert to fraction form
    18,725.60/25,841.04 = 10,342.56/x
  3. Step 3: Cross multiply
    18,725.60x = 25,841.04 × 10,342.56
  4. Step 4: Simplify right side
    18,725.60x = 267,262,506.66
  5. Step 5: Solve for x
    x = 267,262,506.66/18,725.60
  6. Step 6: Final answer
    x = 14,272.57

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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.