Home / 13,147.04-19,725.36-6,222.08

Finding the Fourth Proportional to 13,147.04, 19,725.36 and 6,222.08

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Solution

The fourth proportional to 13,147.04, 19,725.36 and 6,222.08 is: 9,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.04 : 19,725.36 = 6,222.08 : x
  2. Step 2: Convert to fraction form
    13,147.04/19,725.36 = 6,222.08/x
  3. Step 3: Cross multiply
    13,147.04x = 19,725.36 × 6,222.08
  4. Step 4: Simplify right side
    13,147.04x = 122,732,767.95
  5. Step 5: Solve for x
    x = 122,732,767.95/13,147.04
  6. Step 6: Final answer
    x = 9,335.39

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1.5x scale

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.