Home / 19,555.45-29,335.45-7,081.35

Finding the Fourth Proportional to 19,555.45, 29,335.45 and 7,081.35

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Solution

The fourth proportional to 19,555.45, 29,335.45 and 7,081.35 is: 10,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.45 : 29,335.45 = 7,081.35 : x
  2. Step 2: Convert to fraction form
    19,555.45/29,335.45 = 7,081.35/x
  3. Step 3: Cross multiply
    19,555.45x = 29,335.45 × 7,081.35
  4. Step 4: Simplify right side
    19,555.45x = 207,734,588.86
  5. Step 5: Solve for x
    x = 207,734,588.86/19,555.45
  6. Step 6: Final answer
    x = 10,622.85

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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.