Home / 19,341.62-29,012.70-5,490.62

Finding the Fourth Proportional to 19,341.62, 29,012.70 and 5,490.62

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Solution

The fourth proportional to 19,341.62, 29,012.70 and 5,490.62 is: 8,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.62 : 29,012.70 = 5,490.62 : x
  2. Step 2: Convert to fraction form
    19,341.62/29,012.70 = 5,490.62/x
  3. Step 3: Cross multiply
    19,341.62x = 29,012.70 × 5,490.62
  4. Step 4: Simplify right side
    19,341.62x = 159,297,710.87
  5. Step 5: Solve for x
    x = 159,297,710.87/19,341.62
  6. Step 6: Final answer
    x = 8,236.01

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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.