Home / 15,824.25-21,817.61-10,148.98

Finding the Fourth Proportional to 15,824.25, 21,817.61 and 10,148.98

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Solution

The fourth proportional to 15,824.25, 21,817.61 and 10,148.98 is: 13,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.25 : 21,817.61 = 10,148.98 : x
  2. Step 2: Convert to fraction form
    15,824.25/21,817.61 = 10,148.98/x
  3. Step 3: Cross multiply
    15,824.25x = 21,817.61 × 10,148.98
  4. Step 4: Simplify right side
    15,824.25x = 221,426,487.54
  5. Step 5: Solve for x
    x = 221,426,487.54/15,824.25
  6. Step 6: Final answer
    x = 13,992.86

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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.