Home / 19,590.30-29,385.45-5,739.30

Finding the Fourth Proportional to 19,590.30, 29,385.45 and 5,739.30

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Solution

The fourth proportional to 19,590.30, 29,385.45 and 5,739.30 is: 8,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.30 : 29,385.45 = 5,739.30 : x
  2. Step 2: Convert to fraction form
    19,590.30/29,385.45 = 5,739.30/x
  3. Step 3: Cross multiply
    19,590.30x = 29,385.45 × 5,739.30
  4. Step 4: Simplify right side
    19,590.30x = 168,651,913.19
  5. Step 5: Solve for x
    x = 168,651,913.19/19,590.30
  6. Step 6: Final answer
    x = 8,608.95

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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.