Home / 13,153.08-19,729.26-4,388.16

Finding the Fourth Proportional to 13,153.08, 19,729.26 and 4,388.16

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Solution

The fourth proportional to 13,153.08, 19,729.26 and 4,388.16 is: 6,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.08 : 19,729.26 = 4,388.16 : x
  2. Step 2: Convert to fraction form
    13,153.08/19,729.26 = 4,388.16/x
  3. Step 3: Cross multiply
    13,153.08x = 19,729.26 × 4,388.16
  4. Step 4: Simplify right side
    13,153.08x = 86,575,149.56
  5. Step 5: Solve for x
    x = 86,575,149.56/13,153.08
  6. Step 6: Final answer
    x = 6,582.12

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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.