Home / 19,516.71-26,933.20-10,902.90

Finding the Fourth Proportional to 19,516.71, 26,933.20 and 10,902.90

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Solution

The fourth proportional to 19,516.71, 26,933.20 and 10,902.90 is: 15,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.71 : 26,933.20 = 10,902.90 : x
  2. Step 2: Convert to fraction form
    19,516.71/26,933.20 = 10,902.90/x
  3. Step 3: Cross multiply
    19,516.71x = 26,933.20 × 10,902.90
  4. Step 4: Simplify right side
    19,516.71x = 293,649,986.28
  5. Step 5: Solve for x
    x = 293,649,986.28/19,516.71
  6. Step 6: Final answer
    x = 15,046.08

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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.