Home / 19,500.85-26,906.47-11,545.03

Finding the Fourth Proportional to 19,500.85, 26,906.47 and 11,545.03

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Solution

The fourth proportional to 19,500.85, 26,906.47 and 11,545.03 is: 15,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.85 : 26,906.47 = 11,545.03 : x
  2. Step 2: Convert to fraction form
    19,500.85/26,906.47 = 11,545.03/x
  3. Step 3: Cross multiply
    19,500.85x = 26,906.47 × 11,545.03
  4. Step 4: Simplify right side
    19,500.85x = 310,636,003.34
  5. Step 5: Solve for x
    x = 310,636,003.34/19,500.85
  6. Step 6: Final answer
    x = 15,929.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.