Home / 19,630.98-29,449.75-15,414.06

Finding the Fourth Proportional to 19,630.98, 29,449.75 and 15,414.06

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Solution

The fourth proportional to 19,630.98, 29,449.75 and 15,414.06 is: 23,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.98 : 29,449.75 = 15,414.06 : x
  2. Step 2: Convert to fraction form
    19,630.98/29,449.75 = 15,414.06/x
  3. Step 3: Cross multiply
    19,630.98x = 29,449.75 × 15,414.06
  4. Step 4: Simplify right side
    19,630.98x = 453,940,356.95
  5. Step 5: Solve for x
    x = 453,940,356.95/19,630.98
  6. Step 6: Final answer
    x = 23,123.67

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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.