Home / 19,554.20-29,319.48-7,693.76

Finding the Fourth Proportional to 19,554.20, 29,319.48 and 7,693.76

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Solution

The fourth proportional to 19,554.20, 29,319.48 and 7,693.76 is: 11,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.20 : 29,319.48 = 7,693.76 : x
  2. Step 2: Convert to fraction form
    19,554.20/29,319.48 = 7,693.76/x
  3. Step 3: Cross multiply
    19,554.20x = 29,319.48 × 7,693.76
  4. Step 4: Simplify right side
    19,554.20x = 225,577,042.44
  5. Step 5: Solve for x
    x = 225,577,042.44/19,554.20
  6. Step 6: Final answer
    x = 11,535.99

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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.