Home / 19,555.27-29,325.75-7,072.30

Finding the Fourth Proportional to 19,555.27, 29,325.75 and 7,072.30

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Solution

The fourth proportional to 19,555.27, 29,325.75 and 7,072.30 is: 10,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.27 : 29,325.75 = 7,072.30 : x
  2. Step 2: Convert to fraction form
    19,555.27/29,325.75 = 7,072.30/x
  3. Step 3: Cross multiply
    19,555.27x = 29,325.75 × 7,072.30
  4. Step 4: Simplify right side
    19,555.27x = 207,400,501.73
  5. Step 5: Solve for x
    x = 207,400,501.73/19,555.27
  6. Step 6: Final answer
    x = 10,605.86

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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.