Home / 19,065.20-26,310.95-10,995.86

Finding the Fourth Proportional to 19,065.20, 26,310.95 and 10,995.86

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Solution

The fourth proportional to 19,065.20, 26,310.95 and 10,995.86 is: 15,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.20 : 26,310.95 = 10,995.86 : x
  2. Step 2: Convert to fraction form
    19,065.20/26,310.95 = 10,995.86/x
  3. Step 3: Cross multiply
    19,065.20x = 26,310.95 × 10,995.86
  4. Step 4: Simplify right side
    19,065.20x = 289,311,336.13
  5. Step 5: Solve for x
    x = 289,311,336.13/19,065.20
  6. Step 6: Final answer
    x = 15,174.84

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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.