Home / 19,163.73-26,445.89-10,665.81

Finding the Fourth Proportional to 19,163.73, 26,445.89 and 10,665.81

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Solution

The fourth proportional to 19,163.73, 26,445.89 and 10,665.81 is: 14,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.73 : 26,445.89 = 10,665.81 : x
  2. Step 2: Convert to fraction form
    19,163.73/26,445.89 = 10,665.81/x
  3. Step 3: Cross multiply
    19,163.73x = 26,445.89 × 10,665.81
  4. Step 4: Simplify right side
    19,163.73x = 282,066,784.69
  5. Step 5: Solve for x
    x = 282,066,784.69/19,163.73
  6. Step 6: Final answer
    x = 14,718.78

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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.