Home / 19,305.90-28,952.68-6,155.19

Finding the Fourth Proportional to 19,305.90, 28,952.68 and 6,155.19

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Solution

The fourth proportional to 19,305.90, 28,952.68 and 6,155.19 is: 9,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.90 : 28,952.68 = 6,155.19 : x
  2. Step 2: Convert to fraction form
    19,305.90/28,952.68 = 6,155.19/x
  3. Step 3: Cross multiply
    19,305.90x = 28,952.68 × 6,155.19
  4. Step 4: Simplify right side
    19,305.90x = 178,209,246.41
  5. Step 5: Solve for x
    x = 178,209,246.41/19,305.90
  6. Step 6: Final answer
    x = 9,230.82

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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.