Home / 19,817.58-29,730.24-7,337.70

Finding the Fourth Proportional to 19,817.58, 29,730.24 and 7,337.70

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Solution

The fourth proportional to 19,817.58, 29,730.24 and 7,337.70 is: 11,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.58 : 29,730.24 = 7,337.70 : x
  2. Step 2: Convert to fraction form
    19,817.58/29,730.24 = 7,337.70/x
  3. Step 3: Cross multiply
    19,817.58x = 29,730.24 × 7,337.70
  4. Step 4: Simplify right side
    19,817.58x = 218,151,582.05
  5. Step 5: Solve for x
    x = 218,151,582.05/19,817.58
  6. Step 6: Final answer
    x = 11,007.98

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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.