Home / 19,890.29-29,835.50-6,751.95

Finding the Fourth Proportional to 19,890.29, 29,835.50 and 6,751.95

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Solution

The fourth proportional to 19,890.29, 29,835.50 and 6,751.95 is: 10,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.29 : 29,835.50 = 6,751.95 : x
  2. Step 2: Convert to fraction form
    19,890.29/29,835.50 = 6,751.95/x
  3. Step 3: Cross multiply
    19,890.29x = 29,835.50 × 6,751.95
  4. Step 4: Simplify right side
    19,890.29x = 201,447,804.23
  5. Step 5: Solve for x
    x = 201,447,804.23/19,890.29
  6. Step 6: Final answer
    x = 10,127.95

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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.