Home / 19,535.28-29,298.26-8,435.90

Finding the Fourth Proportional to 19,535.28, 29,298.26 and 8,435.90

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Solution

The fourth proportional to 19,535.28, 29,298.26 and 8,435.90 is: 12,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.28 : 29,298.26 = 8,435.90 : x
  2. Step 2: Convert to fraction form
    19,535.28/29,298.26 = 8,435.90/x
  3. Step 3: Cross multiply
    19,535.28x = 29,298.26 × 8,435.90
  4. Step 4: Simplify right side
    19,535.28x = 247,157,002.86
  5. Step 5: Solve for x
    x = 247,157,002.86/19,535.28
  6. Step 6: Final answer
    x = 12,651.83

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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.