Home / 19,647.39-29,470.80-7,167.33

Finding the Fourth Proportional to 19,647.39, 29,470.80 and 7,167.33

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Solution

The fourth proportional to 19,647.39, 29,470.80 and 7,167.33 is: 10,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.39 : 29,470.80 = 7,167.33 : x
  2. Step 2: Convert to fraction form
    19,647.39/29,470.80 = 7,167.33/x
  3. Step 3: Cross multiply
    19,647.39x = 29,470.80 × 7,167.33
  4. Step 4: Simplify right side
    19,647.39x = 211,226,948.96
  5. Step 5: Solve for x
    x = 211,226,948.96/19,647.39
  6. Step 6: Final answer
    x = 10,750.89

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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.