Home / 13,164.21-19,746.86-4,400.01

Finding the Fourth Proportional to 13,164.21, 19,746.86 and 4,400.01

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Solution

The fourth proportional to 13,164.21, 19,746.86 and 4,400.01 is: 6,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.21 : 19,746.86 = 4,400.01 : x
  2. Step 2: Convert to fraction form
    13,164.21/19,746.86 = 4,400.01/x
  3. Step 3: Cross multiply
    13,164.21x = 19,746.86 × 4,400.01
  4. Step 4: Simplify right side
    13,164.21x = 86,886,359.47
  5. Step 5: Solve for x
    x = 86,886,359.47/13,164.21
  6. Step 6: Final answer
    x = 6,600.20

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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.