Home / 13,281.30-19,923.12-6,703.29

Finding the Fourth Proportional to 13,281.30, 19,923.12 and 6,703.29

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Solution

The fourth proportional to 13,281.30, 19,923.12 and 6,703.29 is: 10,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.30 : 19,923.12 = 6,703.29 : x
  2. Step 2: Convert to fraction form
    13,281.30/19,923.12 = 6,703.29/x
  3. Step 3: Cross multiply
    13,281.30x = 19,923.12 × 6,703.29
  4. Step 4: Simplify right side
    13,281.30x = 133,550,451.06
  5. Step 5: Solve for x
    x = 133,550,451.06/13,281.30
  6. Step 6: Final answer
    x = 10,055.53

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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.