Home / 19,048.30-28,572.14-5,197.30

Finding the Fourth Proportional to 19,048.30, 28,572.14 and 5,197.30

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Solution

The fourth proportional to 19,048.30, 28,572.14 and 5,197.30 is: 7,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.30 : 28,572.14 = 5,197.30 : x
  2. Step 2: Convert to fraction form
    19,048.30/28,572.14 = 5,197.30/x
  3. Step 3: Cross multiply
    19,048.30x = 28,572.14 × 5,197.30
  4. Step 4: Simplify right side
    19,048.30x = 148,497,814.37
  5. Step 5: Solve for x
    x = 148,497,814.37/19,048.30
  6. Step 6: Final answer
    x = 7,795.86

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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.