Home / 19,189.08-28,765.13-9,833.49

Finding the Fourth Proportional to 19,189.08, 28,765.13 and 9,833.49

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Solution

The fourth proportional to 19,189.08, 28,765.13 and 9,833.49 is: 14,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.08 : 28,765.13 = 9,833.49 : x
  2. Step 2: Convert to fraction form
    19,189.08/28,765.13 = 9,833.49/x
  3. Step 3: Cross multiply
    19,189.08x = 28,765.13 × 9,833.49
  4. Step 4: Simplify right side
    19,189.08x = 282,861,569.04
  5. Step 5: Solve for x
    x = 282,861,569.04/19,189.08
  6. Step 6: Final answer
    x = 14,740.76

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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.