Home / 13,211.34-19,823.46-5,814.88

Finding the Fourth Proportional to 13,211.34, 19,823.46 and 5,814.88

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Solution

The fourth proportional to 13,211.34, 19,823.46 and 5,814.88 is: 8,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.34 : 19,823.46 = 5,814.88 : x
  2. Step 2: Convert to fraction form
    13,211.34/19,823.46 = 5,814.88/x
  3. Step 3: Cross multiply
    13,211.34x = 19,823.46 × 5,814.88
  4. Step 4: Simplify right side
    13,211.34x = 115,271,041.08
  5. Step 5: Solve for x
    x = 115,271,041.08/13,211.34
  6. Step 6: Final answer
    x = 8,725.16

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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.