Home / 19,406.93-26,780.94-10,908.81

Finding the Fourth Proportional to 19,406.93, 26,780.94 and 10,908.81

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Solution

The fourth proportional to 19,406.93, 26,780.94 and 10,908.81 is: 15,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.93 : 26,780.94 = 10,908.81 : x
  2. Step 2: Convert to fraction form
    19,406.93/26,780.94 = 10,908.81/x
  3. Step 3: Cross multiply
    19,406.93x = 26,780.94 × 10,908.81
  4. Step 4: Simplify right side
    19,406.93x = 292,148,186.08
  5. Step 5: Solve for x
    x = 292,148,186.08/19,406.93
  6. Step 6: Final answer
    x = 15,053.81

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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.