Home / 19,385.01-29,081.61-8,292.06

Finding the Fourth Proportional to 19,385.01, 29,081.61 and 8,292.06

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Solution

The fourth proportional to 19,385.01, 29,081.61 and 8,292.06 is: 12,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.01 : 29,081.61 = 8,292.06 : x
  2. Step 2: Convert to fraction form
    19,385.01/29,081.61 = 8,292.06/x
  3. Step 3: Cross multiply
    19,385.01x = 29,081.61 × 8,292.06
  4. Step 4: Simplify right side
    19,385.01x = 241,146,455.02
  5. Step 5: Solve for x
    x = 241,146,455.02/19,385.01
  6. Step 6: Final answer
    x = 12,439.84

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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.