Home / 25,992.05-35,866.36-19,189.70

Finding the Fourth Proportional to 25,992.05, 35,866.36 and 19,189.70

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Solution

The fourth proportional to 25,992.05, 35,866.36 and 19,189.70 is: 26,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.05 : 35,866.36 = 19,189.70 : x
  2. Step 2: Convert to fraction form
    25,992.05/35,866.36 = 19,189.70/x
  3. Step 3: Cross multiply
    25,992.05x = 35,866.36 × 19,189.70
  4. Step 4: Simplify right side
    25,992.05x = 688,264,680.09
  5. Step 5: Solve for x
    x = 688,264,680.09/25,992.05
  6. Step 6: Final answer
    x = 26,479.81

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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.