Home / 19,555.70-29,335.84-7,081.61

Finding the Fourth Proportional to 19,555.70, 29,335.84 and 7,081.61

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Solution

The fourth proportional to 19,555.70, 29,335.84 and 7,081.61 is: 10,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.70 : 29,335.84 = 7,081.61 : x
  2. Step 2: Convert to fraction form
    19,555.70/29,335.84 = 7,081.61/x
  3. Step 3: Cross multiply
    19,555.70x = 29,335.84 × 7,081.61
  4. Step 4: Simplify right side
    19,555.70x = 207,744,813.52
  5. Step 5: Solve for x
    x = 207,744,813.52/19,555.70
  6. Step 6: Final answer
    x = 10,623.24

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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.