Home / 13,216.48-19,832.58-5,319.72

Finding the Fourth Proportional to 13,216.48, 19,832.58 and 5,319.72

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Solution

The fourth proportional to 13,216.48, 19,832.58 and 5,319.72 is: 7,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.48 : 19,832.58 = 5,319.72 : x
  2. Step 2: Convert to fraction form
    13,216.48/19,832.58 = 5,319.72/x
  3. Step 3: Cross multiply
    13,216.48x = 19,832.58 × 5,319.72
  4. Step 4: Simplify right side
    13,216.48x = 105,503,772.48
  5. Step 5: Solve for x
    x = 105,503,772.48/13,216.48
  6. Step 6: Final answer
    x = 7,982.74

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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.