Home / 19,602.20-29,403.29-7,923.62

Finding the Fourth Proportional to 19,602.20, 29,403.29 and 7,923.62

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Solution

The fourth proportional to 19,602.20, 29,403.29 and 7,923.62 is: 11,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.20 : 29,403.29 = 7,923.62 : x
  2. Step 2: Convert to fraction form
    19,602.20/29,403.29 = 7,923.62/x
  3. Step 3: Cross multiply
    19,602.20x = 29,403.29 × 7,923.62
  4. Step 4: Simplify right side
    19,602.20x = 232,980,369.50
  5. Step 5: Solve for x
    x = 232,980,369.50/19,602.20
  6. Step 6: Final answer
    x = 11,885.42

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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.