Home / 19,117.68-26,379.45-10,940.64

Finding the Fourth Proportional to 19,117.68, 26,379.45 and 10,940.64

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Solution

The fourth proportional to 19,117.68, 26,379.45 and 10,940.64 is: 15,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.68 : 26,379.45 = 10,940.64 : x
  2. Step 2: Convert to fraction form
    19,117.68/26,379.45 = 10,940.64/x
  3. Step 3: Cross multiply
    19,117.68x = 26,379.45 × 10,940.64
  4. Step 4: Simplify right side
    19,117.68x = 288,608,065.85
  5. Step 5: Solve for x
    x = 288,608,065.85/19,117.68
  6. Step 6: Final answer
    x = 15,096.40

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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.