Home / 19,573.11-29,343.06-6,421.95

Finding the Fourth Proportional to 19,573.11, 29,343.06 and 6,421.95

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Solution

The fourth proportional to 19,573.11, 29,343.06 and 6,421.95 is: 9,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.11 : 29,343.06 = 6,421.95 : x
  2. Step 2: Convert to fraction form
    19,573.11/29,343.06 = 6,421.95/x
  3. Step 3: Cross multiply
    19,573.11x = 29,343.06 × 6,421.95
  4. Step 4: Simplify right side
    19,573.11x = 188,439,664.17
  5. Step 5: Solve for x
    x = 188,439,664.17/19,573.11
  6. Step 6: Final answer
    x = 9,627.48

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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.