Home / 19,678.43-29,493.05-15,501.95

Finding the Fourth Proportional to 19,678.43, 29,493.05 and 15,501.95

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Solution

The fourth proportional to 19,678.43, 29,493.05 and 15,501.95 is: 23,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.43 : 29,493.05 = 15,501.95 : x
  2. Step 2: Convert to fraction form
    19,678.43/29,493.05 = 15,501.95/x
  3. Step 3: Cross multiply
    19,678.43x = 29,493.05 × 15,501.95
  4. Step 4: Simplify right side
    19,678.43x = 457,199,561.47
  5. Step 5: Solve for x
    x = 457,199,561.47/19,678.43
  6. Step 6: Final answer
    x = 23,233.54

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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.