Home / 13,417.68-20,132.10-5,917.41

Finding the Fourth Proportional to 13,417.68, 20,132.10 and 5,917.41

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Solution

The fourth proportional to 13,417.68, 20,132.10 and 5,917.41 is: 8,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.68 : 20,132.10 = 5,917.41 : x
  2. Step 2: Convert to fraction form
    13,417.68/20,132.10 = 5,917.41/x
  3. Step 3: Cross multiply
    13,417.68x = 20,132.10 × 5,917.41
  4. Step 4: Simplify right side
    13,417.68x = 119,129,889.86
  5. Step 5: Solve for x
    x = 119,129,889.86/13,417.68
  6. Step 6: Final answer
    x = 8,878.58

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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.