Home / 19,902.81-27,465.67-10,950.32

Finding the Fourth Proportional to 19,902.81, 27,465.67 and 10,950.32

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Solution

The fourth proportional to 19,902.81, 27,465.67 and 10,950.32 is: 15,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.81 : 27,465.67 = 10,950.32 : x
  2. Step 2: Convert to fraction form
    19,902.81/27,465.67 = 10,950.32/x
  3. Step 3: Cross multiply
    19,902.81x = 27,465.67 × 10,950.32
  4. Step 4: Simplify right side
    19,902.81x = 300,757,738.19
  5. Step 5: Solve for x
    x = 300,757,738.19/19,902.81
  6. Step 6: Final answer
    x = 15,111.32

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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.