Home / 19,545.70-26,982.37-13,096.45

Finding the Fourth Proportional to 19,545.70, 26,982.37 and 13,096.45

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Solution

The fourth proportional to 19,545.70, 26,982.37 and 13,096.45 is: 18,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.70 : 26,982.37 = 13,096.45 : x
  2. Step 2: Convert to fraction form
    19,545.70/26,982.37 = 13,096.45/x
  3. Step 3: Cross multiply
    19,545.70x = 26,982.37 × 13,096.45
  4. Step 4: Simplify right side
    19,545.70x = 353,373,159.39
  5. Step 5: Solve for x
    x = 353,373,159.39/19,545.70
  6. Step 6: Final answer
    x = 18,079.33

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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.