Home / 15,213.78-22,805.16-10,283.92

Finding the Fourth Proportional to 15,213.78, 22,805.16 and 10,283.92

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Solution

The fourth proportional to 15,213.78, 22,805.16 and 10,283.92 is: 15,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.78 : 22,805.16 = 10,283.92 : x
  2. Step 2: Convert to fraction form
    15,213.78/22,805.16 = 10,283.92/x
  3. Step 3: Cross multiply
    15,213.78x = 22,805.16 × 10,283.92
  4. Step 4: Simplify right side
    15,213.78x = 234,526,441.03
  5. Step 5: Solve for x
    x = 234,526,441.03/15,213.78
  6. Step 6: Final answer
    x = 15,415.40

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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.