Home / 19,163.23-26,445.20-10,665.31

Finding the Fourth Proportional to 19,163.23, 26,445.20 and 10,665.31

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Solution

The fourth proportional to 19,163.23, 26,445.20 and 10,665.31 is: 14,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.23 : 26,445.20 = 10,665.31 : x
  2. Step 2: Convert to fraction form
    19,163.23/26,445.20 = 10,665.31/x
  3. Step 3: Cross multiply
    19,163.23x = 26,445.20 × 10,665.31
  4. Step 4: Simplify right side
    19,163.23x = 282,046,202.69
  5. Step 5: Solve for x
    x = 282,046,202.69/19,163.23
  6. Step 6: Final answer
    x = 14,718.09

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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.