Home / 19,133.18-26,409.30-11,579.54

Finding the Fourth Proportional to 19,133.18, 26,409.30 and 11,579.54

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Solution

The fourth proportional to 19,133.18, 26,409.30 and 11,579.54 is: 15,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.18 : 26,409.30 = 11,579.54 : x
  2. Step 2: Convert to fraction form
    19,133.18/26,409.30 = 11,579.54/x
  3. Step 3: Cross multiply
    19,133.18x = 26,409.30 × 11,579.54
  4. Step 4: Simplify right side
    19,133.18x = 305,807,545.72
  5. Step 5: Solve for x
    x = 305,807,545.72/19,133.18
  6. Step 6: Final answer
    x = 15,983.10

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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.