Home / 13,431.30-20,153.76-6,034.24

Finding the Fourth Proportional to 13,431.30, 20,153.76 and 6,034.24

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Solution

The fourth proportional to 13,431.30, 20,153.76 and 6,034.24 is: 9,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.30 : 20,153.76 = 6,034.24 : x
  2. Step 2: Convert to fraction form
    13,431.30/20,153.76 = 6,034.24/x
  3. Step 3: Cross multiply
    13,431.30x = 20,153.76 × 6,034.24
  4. Step 4: Simplify right side
    13,431.30x = 121,612,624.74
  5. Step 5: Solve for x
    x = 121,612,624.74/13,431.30
  6. Step 6: Final answer
    x = 9,054.42

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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.