Home / 13,164.16-19,743.36-4,400.32

Finding the Fourth Proportional to 13,164.16, 19,743.36 and 4,400.32

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Solution

The fourth proportional to 13,164.16, 19,743.36 and 4,400.32 is: 6,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.16 : 19,743.36 = 4,400.32 : x
  2. Step 2: Convert to fraction form
    13,164.16/19,743.36 = 4,400.32/x
  3. Step 3: Cross multiply
    13,164.16x = 19,743.36 × 4,400.32
  4. Step 4: Simplify right side
    13,164.16x = 86,877,101.88
  5. Step 5: Solve for x
    x = 86,877,101.88/13,164.16
  6. Step 6: Final answer
    x = 6,599.52

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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.