Home / 19,269.34-28,901.68-5,228.48

Finding the Fourth Proportional to 19,269.34, 28,901.68 and 5,228.48

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Solution

The fourth proportional to 19,269.34, 28,901.68 and 5,228.48 is: 7,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.34 : 28,901.68 = 5,228.48 : x
  2. Step 2: Convert to fraction form
    19,269.34/28,901.68 = 5,228.48/x
  3. Step 3: Cross multiply
    19,269.34x = 28,901.68 × 5,228.48
  4. Step 4: Simplify right side
    19,269.34x = 151,111,855.85
  5. Step 5: Solve for x
    x = 151,111,855.85/19,269.34
  6. Step 6: Final answer
    x = 7,842.09

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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.