Home / 19,900.89-29,852.15-6,753.38

Finding the Fourth Proportional to 19,900.89, 29,852.15 and 6,753.38

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Solution

The fourth proportional to 19,900.89, 29,852.15 and 6,753.38 is: 10,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.89 : 29,852.15 = 6,753.38 : x
  2. Step 2: Convert to fraction form
    19,900.89/29,852.15 = 6,753.38/x
  3. Step 3: Cross multiply
    19,900.89x = 29,852.15 × 6,753.38
  4. Step 4: Simplify right side
    19,900.89x = 201,602,729.74
  5. Step 5: Solve for x
    x = 201,602,729.74/19,900.89
  6. Step 6: Final answer
    x = 10,130.34

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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.