Home / 13,164.30-19,746.45-3,303.90

Finding the Fourth Proportional to 13,164.30, 19,746.45 and 3,303.90

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Solution

The fourth proportional to 13,164.30, 19,746.45 and 3,303.90 is: 4,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.30 : 19,746.45 = 3,303.90 : x
  2. Step 2: Convert to fraction form
    13,164.30/19,746.45 = 3,303.90/x
  3. Step 3: Cross multiply
    13,164.30x = 19,746.45 × 3,303.90
  4. Step 4: Simplify right side
    13,164.30x = 65,240,296.16
  5. Step 5: Solve for x
    x = 65,240,296.16/13,164.30
  6. Step 6: Final answer
    x = 4,955.85

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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.