Home / 19,772.41-29,670.30-7,301.11

Finding the Fourth Proportional to 19,772.41, 29,670.30 and 7,301.11

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Solution

The fourth proportional to 19,772.41, 29,670.30 and 7,301.11 is: 10,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.41 : 29,670.30 = 7,301.11 : x
  2. Step 2: Convert to fraction form
    19,772.41/29,670.30 = 7,301.11/x
  3. Step 3: Cross multiply
    19,772.41x = 29,670.30 × 7,301.11
  4. Step 4: Simplify right side
    19,772.41x = 216,626,124.03
  5. Step 5: Solve for x
    x = 216,626,124.03/19,772.41
  6. Step 6: Final answer
    x = 10,955.98

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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.