Home / 14,903.60-20,567.32-8,189.86

Finding the Fourth Proportional to 14,903.60, 20,567.32 and 8,189.86

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Solution

The fourth proportional to 14,903.60, 20,567.32 and 8,189.86 is: 11,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.60 : 20,567.32 = 8,189.86 : x
  2. Step 2: Convert to fraction form
    14,903.60/20,567.32 = 8,189.86/x
  3. Step 3: Cross multiply
    14,903.60x = 20,567.32 × 8,189.86
  4. Step 4: Simplify right side
    14,903.60x = 168,443,438.05
  5. Step 5: Solve for x
    x = 168,443,438.05/14,903.60
  6. Step 6: Final answer
    x = 11,302.20

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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.