Home / 13,360.96-20,038.20-5,565.52

Finding the Fourth Proportional to 13,360.96, 20,038.20 and 5,565.52

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Solution

The fourth proportional to 13,360.96, 20,038.20 and 5,565.52 is: 8,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.96 : 20,038.20 = 5,565.52 : x
  2. Step 2: Convert to fraction form
    13,360.96/20,038.20 = 5,565.52/x
  3. Step 3: Cross multiply
    13,360.96x = 20,038.20 × 5,565.52
  4. Step 4: Simplify right side
    13,360.96x = 111,523,002.86
  5. Step 5: Solve for x
    x = 111,523,002.86/13,360.96
  6. Step 6: Final answer
    x = 8,346.93

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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.