Home / 26,145.99-39,203.10-10,545.39

Finding the Fourth Proportional to 26,145.99, 39,203.10 and 10,545.39

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Solution

The fourth proportional to 26,145.99, 39,203.10 and 10,545.39 is: 15,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.99 : 39,203.10 = 10,545.39 : x
  2. Step 2: Convert to fraction form
    26,145.99/39,203.10 = 10,545.39/x
  3. Step 3: Cross multiply
    26,145.99x = 39,203.10 × 10,545.39
  4. Step 4: Simplify right side
    26,145.99x = 413,411,978.71
  5. Step 5: Solve for x
    x = 413,411,978.71/26,145.99
  6. Step 6: Final answer
    x = 15,811.68

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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.