Home / 25,590.62-38,385.93-9,997.31

Finding the Fourth Proportional to 25,590.62, 38,385.93 and 9,997.31

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Solution

The fourth proportional to 25,590.62, 38,385.93 and 9,997.31 is: 14,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.62 : 38,385.93 = 9,997.31 : x
  2. Step 2: Convert to fraction form
    25,590.62/38,385.93 = 9,997.31/x
  3. Step 3: Cross multiply
    25,590.62x = 38,385.93 × 9,997.31
  4. Step 4: Simplify right side
    25,590.62x = 383,756,041.85
  5. Step 5: Solve for x
    x = 383,756,041.85/25,590.62
  6. Step 6: Final answer
    x = 14,995.97

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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.