Home / 19,036.35-28,567.20-8,502.87

Finding the Fourth Proportional to 19,036.35, 28,567.20 and 8,502.87

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Solution

The fourth proportional to 19,036.35, 28,567.20 and 8,502.87 is: 12,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.35 : 28,567.20 = 8,502.87 : x
  2. Step 2: Convert to fraction form
    19,036.35/28,567.20 = 8,502.87/x
  3. Step 3: Cross multiply
    19,036.35x = 28,567.20 × 8,502.87
  4. Step 4: Simplify right side
    19,036.35x = 242,903,187.86
  5. Step 5: Solve for x
    x = 242,903,187.86/19,036.35
  6. Step 6: Final answer
    x = 12,759.97

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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.