Home / 14,903.86-20,567.37-8,189.62

Finding the Fourth Proportional to 14,903.86, 20,567.37 and 8,189.62

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Solution

The fourth proportional to 14,903.86, 20,567.37 and 8,189.62 is: 11,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.86 : 20,567.37 = 8,189.62 : x
  2. Step 2: Convert to fraction form
    14,903.86/20,567.37 = 8,189.62/x
  3. Step 3: Cross multiply
    14,903.86x = 20,567.37 × 8,189.62
  4. Step 4: Simplify right side
    14,903.86x = 168,438,944.70
  5. Step 5: Solve for x
    x = 168,438,944.70/14,903.86
  6. Step 6: Final answer
    x = 11,301.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.