Home / 15,743.96-21,725.88-10,154.96

Finding the Fourth Proportional to 15,743.96, 21,725.88 and 10,154.96

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Solution

The fourth proportional to 15,743.96, 21,725.88 and 10,154.96 is: 14,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.96 : 21,725.88 = 10,154.96 : x
  2. Step 2: Convert to fraction form
    15,743.96/21,725.88 = 10,154.96/x
  3. Step 3: Cross multiply
    15,743.96x = 21,725.88 × 10,154.96
  4. Step 4: Simplify right side
    15,743.96x = 220,625,442.36
  5. Step 5: Solve for x
    x = 220,625,442.36/15,743.96
  6. Step 6: Final answer
    x = 14,013.34

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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.