Home / 13,281.22-19,917.24-5,890.86

Finding the Fourth Proportional to 13,281.22, 19,917.24 and 5,890.86

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Solution

The fourth proportional to 13,281.22, 19,917.24 and 5,890.86 is: 8,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.22 : 19,917.24 = 5,890.86 : x
  2. Step 2: Convert to fraction form
    13,281.22/19,917.24 = 5,890.86/x
  3. Step 3: Cross multiply
    13,281.22x = 19,917.24 × 5,890.86
  4. Step 4: Simplify right side
    13,281.22x = 117,329,672.43
  5. Step 5: Solve for x
    x = 117,329,672.43/13,281.22
  6. Step 6: Final answer
    x = 8,834.25

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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.