Home / 15,895.76-21,929.72-10,229.44

Finding the Fourth Proportional to 15,895.76, 21,929.72 and 10,229.44

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Solution

The fourth proportional to 15,895.76, 21,929.72 and 10,229.44 is: 14,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.76 : 21,929.72 = 10,229.44 : x
  2. Step 2: Convert to fraction form
    15,895.76/21,929.72 = 10,229.44/x
  3. Step 3: Cross multiply
    15,895.76x = 21,929.72 × 10,229.44
  4. Step 4: Simplify right side
    15,895.76x = 224,328,754.96
  5. Step 5: Solve for x
    x = 224,328,754.96/15,895.76
  6. Step 6: Final answer
    x = 14,112.49

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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.