Home / 13,330.65-19,967.21-6,300.05

Finding the Fourth Proportional to 13,330.65, 19,967.21 and 6,300.05

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Solution

The fourth proportional to 13,330.65, 19,967.21 and 6,300.05 is: 9,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.65 : 19,967.21 = 6,300.05 : x
  2. Step 2: Convert to fraction form
    13,330.65/19,967.21 = 6,300.05/x
  3. Step 3: Cross multiply
    13,330.65x = 19,967.21 × 6,300.05
  4. Step 4: Simplify right side
    13,330.65x = 125,794,421.36
  5. Step 5: Solve for x
    x = 125,794,421.36/13,330.65
  6. Step 6: Final answer
    x = 9,436.48

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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.